**STATISTICS-PAGE 7**

**STATISTICS MCQ- PAGE 7**

1. Winsorizing is used to solve what problem ?

(A) Outliers (B) Multicollinearity (C) Heteroscedasticity (D) Linearity

Ans: A

2. The non random sampling type that involves selecting a convenience sample from a population with a specific set of characteristics for your research study is called _____.

(A) Convenience sampling (B) Quota sampling (C) Purposive sampling (D) Snowball sampling

Ans: C

3. _____ is an ANOVA technique using two or more metric dependent variables.

(A) Nonmetric ANOVA (B) Contrasts (C) Repeated measures ANOVA (D) Multivariate analysis of variance (MANOVA)

Ans: D

4. A hospital has 1,125 patient records. How can one randomly select 120 records to review ?

(A) Using Minitab software (B) Using Excel (C) Random number tables (D) All of above

Ans: D

5. A queue is a ?

(A) FIFO (First In First Out) list (B) LIFO (Last In First Out) list. (C) Ordered array (D) Linear tree

Ans: A

6. Which of the following is a location analysis technique typically employed by a service organization ?

(A) Purchasing power analysis (B) Queuing Theory (C) Linear programing (D) Cross over chart

Ans: B

7. The transportation method, when applied to location analysis _______.

(A) Minimizes total fixed costs (B) Minimizes the movement of goods.

(C) Minimizes total production and transportation costs. (D) Minimizes venues.

Ans: C

8. _______ model are related to decision making under condition of certainty.

(A) Decision Problem (B) Simulation (C) Transportation Problem (D) Assignment Problem

Ans: A

9. The Linear programing Problem in which all or some of the variables, are constrained to assume non-negative integer value is referred as _______ ?

(A) Dynamic programing problem (B) Non-linear programing problem

(C) Integer programing problem (D) None of above

Ans: C

10. A researcher concludes from his analysis that a placebo cures AIDS. What type of error is he making ?

(A) Type 1 error (B) Type 2 error (C) None of these. The researcher is not making an error. (D) Cannot be determined

Ans: D

11. According to algebra of simplex method, slack variables are assigned zero coefficients because

(A) contribution in objective function (B) high contribution in objective function

(C) no contribution in objective function (D) divisor contribution in objective function

Ans: C

12. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their Control ?

(A) Mrose and Kimball (1946) (B) P. M. S. Blackett (1948) (C) E. L. Arnoff and M. J. Netzorg (D) None of the above

Ans: A

13. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?

(A) 60.4% (B) 48.3% (C) 35.7% (D) 27.8%

Ans: C

14. If a categorical independent variable contains two categories, then _______ dummy variable(s) will be needed to uniquely represent these categories.

(A) 1 (B) 2 (C) 3 (D) 4

Ans: A

15. When two or more of the explanatory variables are highly correlated, this situation is referred to as

(A) Collinearity (B) Autocorrelation. (C) Heteroscedasticity. (D) Linearity.

Ans: A

16. A regression diagnostic tool used to study the possible presence of multicollinearity is

(A) The slope (B) The Durbin-Watson statistic (C) Residual plot (D) The correlation matrix

Ans: D

17. In a binomial probability distribution, relation between mean and variance is:

(A) Mean < Variance (B) Mean = Variance (C) Mean > Variance (D) Difficult to tell

Ans: C

18. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green ?

(A) 2/3 (B) 8/21 (C) 3/7 (D) 9/22

Ans: B

19. The Tampa International Airport (TIA) has been criticized for the waiting times associated with departing flights. While the critics acknowledge that many flights have little or no waiting times, their complaints deal more specifically with the longer waits attributed to some flights. The critics are interested in showing, mathematically, exactly what the problems are. Which type of distribution would best model the waiting times of the departing flights at TIA ?

(A) Binomial distribution (B) Poisson distribution (C) Normal distribution (D) Exponential distribution

Ans: D

20. A student claims that he can correctly identify whether a person is a business major or an agriculture major by the way the person dresses. Suppose in actuality that he can correctly identify a business major 87% of the time, while 16% of the time he mistakenly identifies an agriculture major as a business major. Presented with one person and asked to identify the major of this person (who is either a business or agriculture major), he considers this to be a hypothesis test with the null hypothesis being that the person is a business major and the alternative that the person is an agriculture major. What would be an example of power ?

(A) The probability of saying that the person is an agriculture major when in fact the person is a business major.

(B) The probability of saying that the person is a business major when in fact the person is a business major.

(C) The probability of saying that the person is a business major when in fact the person is an agriculture major.

(D) The probability of saying that the person is an agriculture major when in fact the person is an agriculture major

Ans: D

21. Referring to Table 15-1, to test if there is any significant difference in the median sales in 2000 and 2001, doing a Mann-Whitney U Test, based on the p-value, what is the conclusion ?

(A) p = 0.522 there is not a significant difference in the median sales

(B) p = 0.522 there is a significant difference in the median sales

(C) Both (A) and (B) are correct

(D) None of the above

Ans: A

22. In linear programming, diet mix models main objective is

(A) minimizing cost of meal (B) satisfying nutritional requirement (C) minimizing profit on meals (D) A and B Both

Ans: D

23. The complete list of sampling units in the target population to be subjected to the sampling procedure is called …….

(A) Sampling (B) Sampling Unit (C) Sampling list (D) Sampling Frame

Ans: D

24. For a survey aimed at estimating vaccination coverage, P is anticipated at 0.5, d (allowable error) = 0.1 and the level of significance = 5%, estimate the sample size for this study

(A) 96 (B) 97 (C) 102 (D) 68

Ans: A

25. Consider the following statements and identify the right ones.

(A) COR is relatively low in labour intensive sectors. (B) COR will be high in capital intensive sector

(C) (A) and (B) Both (D) None of these

Ans: C

26. Consider the following statements and identify the right ones. i. As per the 1948 policy, six industries were under the mixed sector ii. New units could be set up by the private sector

(A) i Only (B) ii only (C) i and ii both (D) None

Ans: A

27. Which of the following industries was de-reserved in 1993 ?

(A) Atomic energy (B) Atopic minerals (C) Mining of copper and zinc (D) Railways

Ans: C

28. Which of the following is a Navratna category unit ?

(A) HAL (B) Oil India Limited (C) MTNL (D) All of above

Ans: D

29. Models formulate for consumption, production, investment, money demand and money supply, labor demand and labor supply to attempt to explain the workings of the economy. These behavioral equations are estimated equation by equation or jointly as a system of equations, is known as ----

(A) simultaneous equations models (B) Koyck’s geometric lag models (C) general linear models (D) None of above

Ans: A

30. Newton’s law of gravity is example for

(A) Stochastic relationship (B) Statistical relationship (C) Deterministic phenomena (D) Comparing economic to science

Ans: C

31. SEBI stands for

(A) Science and Engineering Board of India (B) Securities and Exchange Board of India

(C) Social Equity Bureau of India (D) Science and Educational Board of India

Ans: B

32. A company utilizes a system to measure the impact of Human Resources which balance measures relating to financial result,customers,internal business process and human capital management. This system is known as :

(A) HRIS (B) Human Capital Index (C) Balanced stratergy (D) Balanced scorecard

Ans: D

33. Which of the following was given emphasis in Frederich Taylor’s theory HRM ?

(A) Cross-functional corporation (B) Compensation tied to performance (C) Work condition (D) Job rotation

Ans: B

34. Which of the following adds idle time due to short runs ?

(A) Excessive product variety (B) Lack of Standardization (C) (A) and (B) Both (D) Design changes

Ans: C

35. The elimination of which of the following will improve industrial productivity

(A) Excess time (B) Ineffective time (C) (A) and (B) Both (D) None of the above

Ans: C

36. A nonparametric method for determining the differences between two populations based on two matched samples where only preference data is required is the

(A) Mann-Whitney-Wilcoxon test (B) Wilcoxon signed-rank test (C) Sign test (D) Kruskal-Wallis Test

Ans: C

37. What does an each outcome in the sample space regarded as ?

(A) Sample point (B) Sample (C) Element (D) A & C Both

Ans: D

38. What would happen if the two events are statistically independent ?

(A) Conditional probability becomes more than the elementary probability

(B) Conditional probability becomes equal to the elementary probability

(C) Conditional probability becomes less than the elementary probability

(D) Conditional as well as elementary probabilities will exhibit no change

Ans: B

39. A pair of dice is thrown. Find the probability of obtaining a sum of 8 or getting an even number on both the dice.

(A) 10/36 (B) 9/36 (C) 15/36 (D) 11/36

Ans: D

40. While it is said that the probabilities of having a boy or a girl are the same, let’s assume that the actual probability of having a boy is slightly higher at 0.51. Suppose a couple plans to have 3 children. What is the probability that exactly 2 of them will be boys ?

(A) 0.38 (B) 0.48 (C) 0.58 (D) 0.68

Ans: A

41. A Stats 10 test has 4 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 4 questions, what is the probability that you get exactly 1 question correct ?

(A) 0.04668 (B) 0.42188 (C) 0.1054 (D) 0.2534

Ans: A

42. A middle school estimates that 20% of its students miss one day of school per semester due to sickness, 13% miss two days, and 5% miss three or more days. What is the probability that a student chosen at random doesn't miss any days of school due to sickness ?

(A) 0.38 (B) 0.18 (C) 0.33 (D) 0.62

Ans: D

43. A middle school estimates that 20% of its students miss one day of school per semester due to sickness, 13% miss two days, and 5% miss three or more days. If a parent has two kids at this middle school, assuming that the kids are independent with respect to missing school, what is the probability that one kid misses some school and the other doesn’t miss any ?

(A) 0.14 (B) 0.3812 (C) 0.24 (D) 0.4712

Ans: D

44. Sixty percent of new drivers have had driver education. During their first year,new drivers without drivers education have probablity 0.08 of having an accident, but new drivers with drivers education have only a 0.05 probablity of an accident. What is the probabality a new driver has had driver education, given that the driver has had no accident the first year ?

(A) 0.1475 (B) 0.3821 (C) 0.6077 (D) 0.7672

Ans: C

45. If X is a uniform random variable on the interval (2, 7), then what is the mean of X ?

(A)2 /8

(B)9 /2

(C)2/ 9

(D)1/ 9

Ans: B

46. Data from primary source

(A) are collected for other purposes than the current study. (B) can be obtained from the newspaper.

(C) are collected specifically for the current study. (D) are less reliable than data from a secondary source.

Ans: C

47. If you are interested in how a football coach divides the practice session into drills, weight training, scrimmaging and game plans, it would be best to use a

(A) line graph (B) times series graph (C) pie chart (D) component-part line chart

Ans: C

48. In measuring the height of students, a systematic error could occur if

(A) the ruler used to measure student’s height is one inch too long. (B) we measure the height of the wrong students.

(C) we ask all students to remove their shoes. (D) both male and female students are measured.

Ans: A

49. The difference between visible exports and visible imports is defined as

(A) Balanced terms of trade (B) Balance of trade (C) Gains from trade (D) Balance of payment

Ans: B

50. Which of the following is a problem not associated with population growth ?

(A) Increased resource consumption (B) Environmental pollution (C) Food and energy storages (D) None of the above

Ans: A

(A) Outliers (B) Multicollinearity (C) Heteroscedasticity (D) Linearity

Ans: A

2. The non random sampling type that involves selecting a convenience sample from a population with a specific set of characteristics for your research study is called _____.

(A) Convenience sampling (B) Quota sampling (C) Purposive sampling (D) Snowball sampling

Ans: C

3. _____ is an ANOVA technique using two or more metric dependent variables.

(A) Nonmetric ANOVA (B) Contrasts (C) Repeated measures ANOVA (D) Multivariate analysis of variance (MANOVA)

Ans: D

4. A hospital has 1,125 patient records. How can one randomly select 120 records to review ?

(A) Using Minitab software (B) Using Excel (C) Random number tables (D) All of above

Ans: D

5. A queue is a ?

(A) FIFO (First In First Out) list (B) LIFO (Last In First Out) list. (C) Ordered array (D) Linear tree

Ans: A

6. Which of the following is a location analysis technique typically employed by a service organization ?

(A) Purchasing power analysis (B) Queuing Theory (C) Linear programing (D) Cross over chart

Ans: B

7. The transportation method, when applied to location analysis _______.

(A) Minimizes total fixed costs (B) Minimizes the movement of goods.

(C) Minimizes total production and transportation costs. (D) Minimizes venues.

Ans: C

8. _______ model are related to decision making under condition of certainty.

(A) Decision Problem (B) Simulation (C) Transportation Problem (D) Assignment Problem

Ans: A

9. The Linear programing Problem in which all or some of the variables, are constrained to assume non-negative integer value is referred as _______ ?

(A) Dynamic programing problem (B) Non-linear programing problem

(C) Integer programing problem (D) None of above

Ans: C

10. A researcher concludes from his analysis that a placebo cures AIDS. What type of error is he making ?

(A) Type 1 error (B) Type 2 error (C) None of these. The researcher is not making an error. (D) Cannot be determined

Ans: D

11. According to algebra of simplex method, slack variables are assigned zero coefficients because

(A) contribution in objective function (B) high contribution in objective function

(C) no contribution in objective function (D) divisor contribution in objective function

Ans: C

12. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their Control ?

(A) Mrose and Kimball (1946) (B) P. M. S. Blackett (1948) (C) E. L. Arnoff and M. J. Netzorg (D) None of the above

Ans: A

13. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?

(A) 60.4% (B) 48.3% (C) 35.7% (D) 27.8%

Ans: C

14. If a categorical independent variable contains two categories, then _______ dummy variable(s) will be needed to uniquely represent these categories.

(A) 1 (B) 2 (C) 3 (D) 4

Ans: A

15. When two or more of the explanatory variables are highly correlated, this situation is referred to as

(A) Collinearity (B) Autocorrelation. (C) Heteroscedasticity. (D) Linearity.

Ans: A

16. A regression diagnostic tool used to study the possible presence of multicollinearity is

(A) The slope (B) The Durbin-Watson statistic (C) Residual plot (D) The correlation matrix

Ans: D

17. In a binomial probability distribution, relation between mean and variance is:

(A) Mean < Variance (B) Mean = Variance (C) Mean > Variance (D) Difficult to tell

Ans: C

18. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green ?

(A) 2/3 (B) 8/21 (C) 3/7 (D) 9/22

Ans: B

19. The Tampa International Airport (TIA) has been criticized for the waiting times associated with departing flights. While the critics acknowledge that many flights have little or no waiting times, their complaints deal more specifically with the longer waits attributed to some flights. The critics are interested in showing, mathematically, exactly what the problems are. Which type of distribution would best model the waiting times of the departing flights at TIA ?

(A) Binomial distribution (B) Poisson distribution (C) Normal distribution (D) Exponential distribution

Ans: D

20. A student claims that he can correctly identify whether a person is a business major or an agriculture major by the way the person dresses. Suppose in actuality that he can correctly identify a business major 87% of the time, while 16% of the time he mistakenly identifies an agriculture major as a business major. Presented with one person and asked to identify the major of this person (who is either a business or agriculture major), he considers this to be a hypothesis test with the null hypothesis being that the person is a business major and the alternative that the person is an agriculture major. What would be an example of power ?

(A) The probability of saying that the person is an agriculture major when in fact the person is a business major.

(B) The probability of saying that the person is a business major when in fact the person is a business major.

(C) The probability of saying that the person is a business major when in fact the person is an agriculture major.

(D) The probability of saying that the person is an agriculture major when in fact the person is an agriculture major

Ans: D

21. Referring to Table 15-1, to test if there is any significant difference in the median sales in 2000 and 2001, doing a Mann-Whitney U Test, based on the p-value, what is the conclusion ?

(A) p = 0.522 there is not a significant difference in the median sales

(B) p = 0.522 there is a significant difference in the median sales

(C) Both (A) and (B) are correct

(D) None of the above

Ans: A

22. In linear programming, diet mix models main objective is

(A) minimizing cost of meal (B) satisfying nutritional requirement (C) minimizing profit on meals (D) A and B Both

Ans: D

23. The complete list of sampling units in the target population to be subjected to the sampling procedure is called …….

(A) Sampling (B) Sampling Unit (C) Sampling list (D) Sampling Frame

Ans: D

24. For a survey aimed at estimating vaccination coverage, P is anticipated at 0.5, d (allowable error) = 0.1 and the level of significance = 5%, estimate the sample size for this study

(A) 96 (B) 97 (C) 102 (D) 68

Ans: A

25. Consider the following statements and identify the right ones.

(A) COR is relatively low in labour intensive sectors. (B) COR will be high in capital intensive sector

(C) (A) and (B) Both (D) None of these

Ans: C

26. Consider the following statements and identify the right ones. i. As per the 1948 policy, six industries were under the mixed sector ii. New units could be set up by the private sector

(A) i Only (B) ii only (C) i and ii both (D) None

Ans: A

27. Which of the following industries was de-reserved in 1993 ?

(A) Atomic energy (B) Atopic minerals (C) Mining of copper and zinc (D) Railways

Ans: C

28. Which of the following is a Navratna category unit ?

(A) HAL (B) Oil India Limited (C) MTNL (D) All of above

Ans: D

29. Models formulate for consumption, production, investment, money demand and money supply, labor demand and labor supply to attempt to explain the workings of the economy. These behavioral equations are estimated equation by equation or jointly as a system of equations, is known as ----

(A) simultaneous equations models (B) Koyck’s geometric lag models (C) general linear models (D) None of above

Ans: A

30. Newton’s law of gravity is example for

(A) Stochastic relationship (B) Statistical relationship (C) Deterministic phenomena (D) Comparing economic to science

Ans: C

31. SEBI stands for

(A) Science and Engineering Board of India (B) Securities and Exchange Board of India

(C) Social Equity Bureau of India (D) Science and Educational Board of India

Ans: B

32. A company utilizes a system to measure the impact of Human Resources which balance measures relating to financial result,customers,internal business process and human capital management. This system is known as :

(A) HRIS (B) Human Capital Index (C) Balanced stratergy (D) Balanced scorecard

Ans: D

33. Which of the following was given emphasis in Frederich Taylor’s theory HRM ?

(A) Cross-functional corporation (B) Compensation tied to performance (C) Work condition (D) Job rotation

Ans: B

34. Which of the following adds idle time due to short runs ?

(A) Excessive product variety (B) Lack of Standardization (C) (A) and (B) Both (D) Design changes

Ans: C

35. The elimination of which of the following will improve industrial productivity

(A) Excess time (B) Ineffective time (C) (A) and (B) Both (D) None of the above

Ans: C

36. A nonparametric method for determining the differences between two populations based on two matched samples where only preference data is required is the

(A) Mann-Whitney-Wilcoxon test (B) Wilcoxon signed-rank test (C) Sign test (D) Kruskal-Wallis Test

Ans: C

37. What does an each outcome in the sample space regarded as ?

(A) Sample point (B) Sample (C) Element (D) A & C Both

Ans: D

38. What would happen if the two events are statistically independent ?

(A) Conditional probability becomes more than the elementary probability

(B) Conditional probability becomes equal to the elementary probability

(C) Conditional probability becomes less than the elementary probability

(D) Conditional as well as elementary probabilities will exhibit no change

Ans: B

39. A pair of dice is thrown. Find the probability of obtaining a sum of 8 or getting an even number on both the dice.

(A) 10/36 (B) 9/36 (C) 15/36 (D) 11/36

Ans: D

40. While it is said that the probabilities of having a boy or a girl are the same, let’s assume that the actual probability of having a boy is slightly higher at 0.51. Suppose a couple plans to have 3 children. What is the probability that exactly 2 of them will be boys ?

(A) 0.38 (B) 0.48 (C) 0.58 (D) 0.68

Ans: A

41. A Stats 10 test has 4 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 4 questions, what is the probability that you get exactly 1 question correct ?

(A) 0.04668 (B) 0.42188 (C) 0.1054 (D) 0.2534

Ans: A

42. A middle school estimates that 20% of its students miss one day of school per semester due to sickness, 13% miss two days, and 5% miss three or more days. What is the probability that a student chosen at random doesn't miss any days of school due to sickness ?

(A) 0.38 (B) 0.18 (C) 0.33 (D) 0.62

Ans: D

43. A middle school estimates that 20% of its students miss one day of school per semester due to sickness, 13% miss two days, and 5% miss three or more days. If a parent has two kids at this middle school, assuming that the kids are independent with respect to missing school, what is the probability that one kid misses some school and the other doesn’t miss any ?

(A) 0.14 (B) 0.3812 (C) 0.24 (D) 0.4712

Ans: D

44. Sixty percent of new drivers have had driver education. During their first year,new drivers without drivers education have probablity 0.08 of having an accident, but new drivers with drivers education have only a 0.05 probablity of an accident. What is the probabality a new driver has had driver education, given that the driver has had no accident the first year ?

(A) 0.1475 (B) 0.3821 (C) 0.6077 (D) 0.7672

Ans: C

45. If X is a uniform random variable on the interval (2, 7), then what is the mean of X ?

(A)2 /8

(B)9 /2

(C)2/ 9

(D)1/ 9

Ans: B

46. Data from primary source

(A) are collected for other purposes than the current study. (B) can be obtained from the newspaper.

(C) are collected specifically for the current study. (D) are less reliable than data from a secondary source.

Ans: C

47. If you are interested in how a football coach divides the practice session into drills, weight training, scrimmaging and game plans, it would be best to use a

(A) line graph (B) times series graph (C) pie chart (D) component-part line chart

Ans: C

48. In measuring the height of students, a systematic error could occur if

(A) the ruler used to measure student’s height is one inch too long. (B) we measure the height of the wrong students.

(C) we ask all students to remove their shoes. (D) both male and female students are measured.

Ans: A

49. The difference between visible exports and visible imports is defined as

(A) Balanced terms of trade (B) Balance of trade (C) Gains from trade (D) Balance of payment

Ans: B

50. Which of the following is a problem not associated with population growth ?

(A) Increased resource consumption (B) Environmental pollution (C) Food and energy storages (D) None of the above

Ans: A

51. The major cause of global population growth in the 18 and 19 centuries was:

(A) Decrease in death rate (B) Decrease in birth rates (C) Industrial revolution (D) None of the above

Ans: C

52. Simon’s model is consistent with

(A) Population self sufficiency and constant economic growth. (B) Low fertility and mortality.

(C) A laissez faire population policy. (D) A constant returns to scale production function

Ans: C

53. “The population which just makes the maximum returns possible is the optimum population or the best possible population” is defined by .....

(A) Robbins (B) Carr-Saunders (C) Dalton (D) Malthusian

Ans: A

54. India is in which phase of demographic cycle ?

(A) High Stationary (B) High Expanding (C) Low Stationary (D) Late Expanding

Ans: D

55. Current annual growth rate of a population can be calculated by:

(A) CBR-CDR (B) CDR-CBR (C) Decadal growth rate /10 (D) CBR+CDR

Ans: A

56. What is exponential growth ? (A) Rapid growth in population that leads to misbalance in birth and deaths (B) Slow growth rates (C) Growth limited by limiting factors (D) None of the above

Ans: A

57. Age pyramid of India is

(A) Broad at base and narroe at apex (B) Broad from base to apex (C) Broad at apex and narrow at base (D) All of above

Ans: A

58. Census population count in reference to:

(A) 1st March (B) 1st July (C) 30th June (D) 1st January

Ans: D

59. Expression “supply and demand” was initially used by

(A) Adam Smith (B) David Ricardo (C) John Locke’s (D) James Denham-Stuart

Ans: D

60. Demand curves are used to assess behaviours in

(A) equilibrium price (B) competitive markets (C) market (D) monopolistic market

Ans: B

61. Price-quantity pair where quantity demanded is equivalent to extent supplied, characterized by intersection of demand and supply curves is

(A) equilibrium (B) equilibrium demand (C) equilibrium supply (D) equilibrium curve

Ans: A

62. What is the probability of getting a mean of Blood pressure 175 or less after all the patients start dieting ?

(A) 20% (B) 25% (C) 15% (D) 12%

Ans: A

63. It is observed that there is a very high correlation between math test scores and amount of physical exercise done by a student on the test day. What can you infer from this ?

1. High correlation implies that after exercise the test scores are high.

2. Correlation does not imply causation.

3. Correlation measures the strength of linear relationship between amount of exercise and test scores.

(A) Only 1 (B) 1 and 3 (C) 2 and 3 (D) All the statements are true

Ans: C

64. Which Ministry is responsible for calculating GDP in India ?

(A) Ministry of Finance (B) Ministry of Commerce and Industry

(C) Ministry of Central Statistical and Program Implementation (D) Ministry of consumer Affairs

Ans: C

65. Its activities include National Income Accounting; conduct of Annual Survey of Industries, Economic Censuses and its follow up surveys, compilation of Index of Industrial Production, as well as Consumer Price Indices for Urban Non-Manual Employees, Human Development Statistics, Gender Statistics, imparting training in Official Statistics, Five Year Plan work relating to Development of Statistics in the States and Union Territories; dissemination of statistical information, work relating to trade, energy, construction, and environment statistics, revision of National Industrial Classification, etc. is done by

(A) CSO (B) MOSPI (C) NSSO (D) ISI

Ans: A

66. Which of the following is the division of NSSO ?

(A) Survey Design and Research Division (SDRD) (B) Field Operations Division (FOD)

(C) Data Processing Division (DPD) (D) All of above

Ans: D

67. “coordinates the statistical work in respect of the Ministries/Departments of the Government of India and State Statistical Bureaus (SSBs), advises the Ministries/Departments of the Government of India on statistical methodology and on statistical analysis of data” is responsibility of ______

(A) Indian Institute of Statistics, Delhi (B) CSO (C) Department of Statistics, Delhi (D) None of above

Ans: D

68. In case of calculation of correlation

List-I List-II

i. Scatter diagram a. Actual figures

ii. Pearson method b. Graphic method

iii. Spearman method c. Ranking

(A) i - a, ii - b, iii - c

(B) i - b, ii - a, iii - c

(C) i - b, ii - c, iii - a

(D) i - c, ii - b, iii - a

Ans: B

69. Hahnemann concept of miasm is an outcome of

(A) Retrospective Case study (B) Prospective case study (C) Longitudinal case study (D) Cross sectional case study

Ans: A

70. NON Experimental (observational) studies are

(A) Descriptive studies (B) Changing a variable in a group of people (C) Randomised control trial (D) Non randomised trial

Ans: A

71. Probability ‘ P’ ranges from

(A) Zero (0) TO five (5) (B) Zero (0) to (2) two (C) One (1) to (2) two (D) Zero (0) TO (1) one

Ans: D

72. THE ADVANTAGE OF INCLUDING A CONTROL OR COMPARASON GROUP IN a study of treat effectiveness is that

(A) Effect such a maturation can be eliminated (B) Effect such a maturation can be measured

(C) Effect such a maturation can be reduced (D) Effect such a maturation can be ignored

Ans: B

73. Randomised control trial is analytical according to the treatment each patient actually received, which of the following best describe this approaches

(A) Intention to treat (B) Superiority (C) Per protocol (D) Explanatory

Ans: A

74. Cohort study are

(A) Analytical study (B) Ecological study (C) Cross- sectional study (D) Concurrent Parallel study design

Ans: A

75. Cross Sectional Study is a

(A) Observational study (B) Experimental study (C) cross over type of study design (D) Non randomised trial

Ans: A

76. A Null hypothesis (HO) nullifies the claim that:

(A) Experimental result is the different from or better than the observed already (B) Sample result is the different greater

(C) Sample result is smaller than the hypothetical value (D) All

Ans: A

77. Student -T Test is applied in case of:

(A) Significations of difference between mean of small sample (B) Between large sample

(C) Large population (D) None of the above

Ans: A

78. Z Test is applied where

(A) Sample size is large (B) Smaller sample size

(C) Sample size less than 30 (D) All of the above

Ans: A

79. Chi squire test is

(A) Parametric test (B) Non parametric test (C) Both (D) None of the above

Ans: B

80. Simple random sampling is applicable when the population is

(A) large (B) small population (C) Medium population (D) All of the above

Ans: B

81. Pilot study are

(A) Small scale preliminary study (B) Full scale research project

(C) Suitable for case study (D) More expensive full scale experiment

Ans: A

82. One way variance analysis (ANOVA) IS A Technique is for

(A) Comparing means of three or more sample (B) Double blind (C) Evaluating recall (D) Hypothesis formulation

Ans: A

83. PREVALANCE IS defined as

(A) The rate of occurrence of new cases in population at risk in a given time period

(B) The proportion of case in the population at a given time

(C) Method of selection bias

(D) Method of randomised cross over study design

Ans: B

84. THE DOUBLE BLIND METHOD DENOTES

(A) Research conducted by researcher with both eye closed (B) Research on visual loss

(C) Both the participating subject and the researcher are unaware of experimental medication (D) None of the above

Ans: C

85. Systematic Sampling method is used in those cases when

(A) Complete list population from which sample is to be drawn is available (B) Small sample size

(C) Not homogenous population (D) None of them

Ans: A

86. Primary data are those which are collected

(A) From the field of enquire (B) Collected primarily by some agency (C) Census data (D) Hospital record

Ans: A

87. Quantitative data commonly graphically presented by:

(A) Histogram (B) Bar Diagram (C) Pie Diagram (D) Spot Map

Ans: A

88. Ordinal scale include

(A) Primary data (B) Secondary data (C) Tertiary data (D) All

Ans: B

89. Parameter is the:

(A) Function of the observation (B) Characteristics of the population (C) Sample (D) None of the above

Ans: B

90. Pie diagram is used for

(A) Qualitative or discreet data (B) For quantitative data (C) Continuos data (D) None of the above

Ans: A

91. THE observation which occur most frequently in a series is known as

(A) Mean (B) Median (C) Mode (D) None of the above

Ans: C

92. The characteristics of Normal Curve are all except

(A) Bell shaped (B) Smooth (C) Bilaterally asymmetrical (D) Mean,Median and Mode coincide

Ans: C

93. Seven observations in absenteeism of school children 6, 8, 4, 10, 14, 32, 12. calculate the median value

(A) 12.3 (B) 10 (C) 15 (D) 11

Ans: B

94. Semi-Inter Quartile range (Q) is:

(A) First quartile range (B) Third quartile rage (C) Half of the interquartile range (D) Second quartile range

Ans: C

95. Precision depends on the:

(A) Sample size (B) Population (C) Proportion (D) Population of universe

Ans: A

96. Dependent variables are shown on

(A) Y axis (B) X axis

(C) Column (0) Row

Ans: A

97. Which one is NOT a parametric test for testing hypotheses?

(A) f-test (B) t-test

(C) q-test (D) z-test

Ans: C

98. When an investigator rejects a null hypothesis that is actually true in the population, it is known as

(A) Type I error (B) Type II error

(C) Standard error (D) False negative error

Ans: A

99. Which is the most important feature of a good sample?

(A) Smaller quantity (B) Correct representativeness

(C) Big quantity (D) None of the above

Ans: B

100. Which design of study is used when a researcher is investigating the problem with limited understanding?

(A) Experimental (B) Descriptive

(C) Exploratory (D) All of the above

Ans: C

(A) Decrease in death rate (B) Decrease in birth rates (C) Industrial revolution (D) None of the above

Ans: C

52. Simon’s model is consistent with

(A) Population self sufficiency and constant economic growth. (B) Low fertility and mortality.

(C) A laissez faire population policy. (D) A constant returns to scale production function

Ans: C

53. “The population which just makes the maximum returns possible is the optimum population or the best possible population” is defined by .....

(A) Robbins (B) Carr-Saunders (C) Dalton (D) Malthusian

Ans: A

54. India is in which phase of demographic cycle ?

(A) High Stationary (B) High Expanding (C) Low Stationary (D) Late Expanding

Ans: D

55. Current annual growth rate of a population can be calculated by:

(A) CBR-CDR (B) CDR-CBR (C) Decadal growth rate /10 (D) CBR+CDR

Ans: A

56. What is exponential growth ? (A) Rapid growth in population that leads to misbalance in birth and deaths (B) Slow growth rates (C) Growth limited by limiting factors (D) None of the above

Ans: A

57. Age pyramid of India is

(A) Broad at base and narroe at apex (B) Broad from base to apex (C) Broad at apex and narrow at base (D) All of above

Ans: A

58. Census population count in reference to:

(A) 1st March (B) 1st July (C) 30th June (D) 1st January

Ans: D

59. Expression “supply and demand” was initially used by

(A) Adam Smith (B) David Ricardo (C) John Locke’s (D) James Denham-Stuart

Ans: D

60. Demand curves are used to assess behaviours in

(A) equilibrium price (B) competitive markets (C) market (D) monopolistic market

Ans: B

61. Price-quantity pair where quantity demanded is equivalent to extent supplied, characterized by intersection of demand and supply curves is

(A) equilibrium (B) equilibrium demand (C) equilibrium supply (D) equilibrium curve

Ans: A

62. What is the probability of getting a mean of Blood pressure 175 or less after all the patients start dieting ?

(A) 20% (B) 25% (C) 15% (D) 12%

Ans: A

63. It is observed that there is a very high correlation between math test scores and amount of physical exercise done by a student on the test day. What can you infer from this ?

1. High correlation implies that after exercise the test scores are high.

2. Correlation does not imply causation.

3. Correlation measures the strength of linear relationship between amount of exercise and test scores.

(A) Only 1 (B) 1 and 3 (C) 2 and 3 (D) All the statements are true

Ans: C

64. Which Ministry is responsible for calculating GDP in India ?

(A) Ministry of Finance (B) Ministry of Commerce and Industry

(C) Ministry of Central Statistical and Program Implementation (D) Ministry of consumer Affairs

Ans: C

65. Its activities include National Income Accounting; conduct of Annual Survey of Industries, Economic Censuses and its follow up surveys, compilation of Index of Industrial Production, as well as Consumer Price Indices for Urban Non-Manual Employees, Human Development Statistics, Gender Statistics, imparting training in Official Statistics, Five Year Plan work relating to Development of Statistics in the States and Union Territories; dissemination of statistical information, work relating to trade, energy, construction, and environment statistics, revision of National Industrial Classification, etc. is done by

(A) CSO (B) MOSPI (C) NSSO (D) ISI

Ans: A

66. Which of the following is the division of NSSO ?

(A) Survey Design and Research Division (SDRD) (B) Field Operations Division (FOD)

(C) Data Processing Division (DPD) (D) All of above

Ans: D

67. “coordinates the statistical work in respect of the Ministries/Departments of the Government of India and State Statistical Bureaus (SSBs), advises the Ministries/Departments of the Government of India on statistical methodology and on statistical analysis of data” is responsibility of ______

(A) Indian Institute of Statistics, Delhi (B) CSO (C) Department of Statistics, Delhi (D) None of above

Ans: D

68. In case of calculation of correlation

List-I List-II

i. Scatter diagram a. Actual figures

ii. Pearson method b. Graphic method

iii. Spearman method c. Ranking

(A) i - a, ii - b, iii - c

(B) i - b, ii - a, iii - c

(C) i - b, ii - c, iii - a

(D) i - c, ii - b, iii - a

Ans: B

69. Hahnemann concept of miasm is an outcome of

(A) Retrospective Case study (B) Prospective case study (C) Longitudinal case study (D) Cross sectional case study

Ans: A

70. NON Experimental (observational) studies are

(A) Descriptive studies (B) Changing a variable in a group of people (C) Randomised control trial (D) Non randomised trial

Ans: A

71. Probability ‘ P’ ranges from

(A) Zero (0) TO five (5) (B) Zero (0) to (2) two (C) One (1) to (2) two (D) Zero (0) TO (1) one

Ans: D

72. THE ADVANTAGE OF INCLUDING A CONTROL OR COMPARASON GROUP IN a study of treat effectiveness is that

(A) Effect such a maturation can be eliminated (B) Effect such a maturation can be measured

(C) Effect such a maturation can be reduced (D) Effect such a maturation can be ignored

Ans: B

73. Randomised control trial is analytical according to the treatment each patient actually received, which of the following best describe this approaches

(A) Intention to treat (B) Superiority (C) Per protocol (D) Explanatory

Ans: A

74. Cohort study are

(A) Analytical study (B) Ecological study (C) Cross- sectional study (D) Concurrent Parallel study design

Ans: A

75. Cross Sectional Study is a

(A) Observational study (B) Experimental study (C) cross over type of study design (D) Non randomised trial

Ans: A

76. A Null hypothesis (HO) nullifies the claim that:

(A) Experimental result is the different from or better than the observed already (B) Sample result is the different greater

(C) Sample result is smaller than the hypothetical value (D) All

Ans: A

77. Student -T Test is applied in case of:

(A) Significations of difference between mean of small sample (B) Between large sample

(C) Large population (D) None of the above

Ans: A

78. Z Test is applied where

(A) Sample size is large (B) Smaller sample size

(C) Sample size less than 30 (D) All of the above

Ans: A

79. Chi squire test is

(A) Parametric test (B) Non parametric test (C) Both (D) None of the above

Ans: B

80. Simple random sampling is applicable when the population is

(A) large (B) small population (C) Medium population (D) All of the above

Ans: B

81. Pilot study are

(A) Small scale preliminary study (B) Full scale research project

(C) Suitable for case study (D) More expensive full scale experiment

Ans: A

82. One way variance analysis (ANOVA) IS A Technique is for

(A) Comparing means of three or more sample (B) Double blind (C) Evaluating recall (D) Hypothesis formulation

Ans: A

83. PREVALANCE IS defined as

(A) The rate of occurrence of new cases in population at risk in a given time period

(B) The proportion of case in the population at a given time

(C) Method of selection bias

(D) Method of randomised cross over study design

Ans: B

84. THE DOUBLE BLIND METHOD DENOTES

(A) Research conducted by researcher with both eye closed (B) Research on visual loss

(C) Both the participating subject and the researcher are unaware of experimental medication (D) None of the above

Ans: C

85. Systematic Sampling method is used in those cases when

(A) Complete list population from which sample is to be drawn is available (B) Small sample size

(C) Not homogenous population (D) None of them

Ans: A

86. Primary data are those which are collected

(A) From the field of enquire (B) Collected primarily by some agency (C) Census data (D) Hospital record

Ans: A

87. Quantitative data commonly graphically presented by:

(A) Histogram (B) Bar Diagram (C) Pie Diagram (D) Spot Map

Ans: A

88. Ordinal scale include

(A) Primary data (B) Secondary data (C) Tertiary data (D) All

Ans: B

89. Parameter is the:

(A) Function of the observation (B) Characteristics of the population (C) Sample (D) None of the above

Ans: B

90. Pie diagram is used for

(A) Qualitative or discreet data (B) For quantitative data (C) Continuos data (D) None of the above

Ans: A

91. THE observation which occur most frequently in a series is known as

(A) Mean (B) Median (C) Mode (D) None of the above

Ans: C

92. The characteristics of Normal Curve are all except

(A) Bell shaped (B) Smooth (C) Bilaterally asymmetrical (D) Mean,Median and Mode coincide

Ans: C

93. Seven observations in absenteeism of school children 6, 8, 4, 10, 14, 32, 12. calculate the median value

(A) 12.3 (B) 10 (C) 15 (D) 11

Ans: B

94. Semi-Inter Quartile range (Q) is:

(A) First quartile range (B) Third quartile rage (C) Half of the interquartile range (D) Second quartile range

Ans: C

95. Precision depends on the:

(A) Sample size (B) Population (C) Proportion (D) Population of universe

Ans: A

96. Dependent variables are shown on

(A) Y axis (B) X axis

(C) Column (0) Row

Ans: A

97. Which one is NOT a parametric test for testing hypotheses?

(A) f-test (B) t-test

(C) q-test (D) z-test

Ans: C

98. When an investigator rejects a null hypothesis that is actually true in the population, it is known as

(A) Type I error (B) Type II error

(C) Standard error (D) False negative error

Ans: A

99. Which is the most important feature of a good sample?

(A) Smaller quantity (B) Correct representativeness

(C) Big quantity (D) None of the above

Ans: B

100. Which design of study is used when a researcher is investigating the problem with limited understanding?

(A) Experimental (B) Descriptive

(C) Exploratory (D) All of the above

Ans: C