Quiznetik

Quantitative Methods for Economic Analysis 2 | Set 1

1. A numerical value used as a summary measure for a sample, such as a sample mean, is known as a

Correct : C. sample statistic

2. Statistics branches include

Correct : D. both a and b

3. To enhance a procedure the control charts and procedures of descriptive statistics are classified into

Correct : A. behavioural tools

4. Sample statistics are also represented as

Correct : B. roman letters

5. Individual respondents, focus groups, and panels of respondents are categorised as

Correct : A. primary data sources

6. The variables whose calculation is done according to the weight, height and length and weight are known as:

Correct : C. continuous variables

7. A method used to examine inflation rate anticipation, unemployment rate and capacity utilisation to produce products is classified as

Correct : C. forecasting technique

8. Graphical and numerical methods are specialized processes utilised in

Correct : B. descriptive statistics

9. The scale applied in statistics which imparts a difference of magnitude and proportions is considered as

Correct : C. ratio scale

10. Review of performance appraisal, labour turnover rates, planning of incentives and training programs and are examples of

Correct : D. statistics in personnel management

11. Which one is correct for a binomial distribution?

Correct : B. mean > variance

12. In a binomial distribution, n =5 mean equals 2, what is the value of q?

Correct : C. .60

13. Three fair coins tossed simultaneously what is the probability to get exact 2 head?

Correct : A. 3/8

14. In a binomial distribution variance found to be 1 and q=1/2, what is the value of n?

Correct : D. 4

15. In a basket there are 5 red balls and 3 black balls, what is the probability to select 2 balls from that in which one is black and one is red?

Correct : D. 15/28

16. What is true for a poison Distribution?

Correct : A. mean = variance

17. A statement about a population developed for testing is called

Correct : A. hypothesis

18. Any hypothesis, which are tested for the purpose of rejection under the assumption that it is true, is called

Correct : A. null hypothesis

19. The alternative hypothesis is also called

Correct : C. research hypothesis

20. A rule or formula that provides a basis for testing a null hypothesis is called

Correct : A. test-statistic

21. The range of test statistic-t is

Correct : C. -∞ to +∞

22. If Ho is true and we reject it is called

Correct : A. type-i error

23. A passing student is failed by an examiner, it is an example of

Correct : A. type-i error

24. 1 – α is also called

Correct : A. confidence coefficient

25. 1 – α is the probability associated with

Correct : A. type-i error

26. Area of the rejection region depends on

Correct : A. size of α

27. Level of significance is also called

Correct : B. size of the test

28. Critical region is also called

Correct : B. rejection region

29. The weighted average of price relations using basic values as weights is same as the ………………

Correct : A. laspeyres quantity index

30. Which one of the following indices satisfies both time reversal and factor reversal list ?

Correct : B. fischer’s index number

31. Which one of the following index numbers is based on Geometric Mean ?

Correct : B. fischer’s index number

32. If the Paasches’ index is 196 and Fishers index is 210, What is the value of the Laspeyres’ index?

Correct : C. 225

33. The major purpose of price index is to measure change in the …………

Correct : C. buying power of money

34. Which of the following statement is not correct ? Fishers’ index :

Correct : B. is the arithmetic mean of l & p

35. In consumer price index number weights are determing on the basis of ………..

Correct : B. the consumption pattern of the class of population

36. Consumer price index number indicates

Correct : A. the general price level

37. Index Numbers measure

Correct : A. the change in base year prices

38. Simple fixed quantity relative

Correct : C. × 100

39. The day to day irregularities in business activity are the example of

Correct : D. random or erratic fluctuations

40. Fisher’s ideal index Number satisfies

Correct : A. time reversal & factor reversal list

41. Fishers ideal index is obtained as :

Correct : B. the geometric mean of laspeyer’s & paasche’s indices

42. ∑ ∑ × 100 is the formula for calculating ……..

Correct : C. laspeyer’s index

43. Laspeyres index measures change in

Correct : A. fixed market basket

44. is the formula for calculating

Correct : B. bowley’s method

45. Recurrent variations in time series that usually last longer than a year is known as ……………

Correct : D. cyclical variation

46. Paasche’s index measures change in

Correct : B. current consumption

47. A lock-out in a factory for a month is associated with the component of time series

Correct : D. irregular variation

48. Consumer price index number is constructed for

Correct : A. a well defined section of people

49. Which one is not the test of index Number

Correct : C. triangular test

50. The average of Laspeyre’s and Paasche’s index number which gives Fisher’s index number is

Correct : B. gm

51. Purchasing power of money

Correct : C. 100/

52. Factor reversal list permits the interchange of

Correct : B. price & quantity

53. The method which is not used for estimating seasonal components of a time series

Correct : D. method of least squares

54. Cost of living index is known as

Correct : A. consumer price index

55. Paasches index number is based on

Correct : B. current year quantity

56. Measures of change in the level of phenomenon is called

Correct : D. index numbers

57. Which of the following is described as ‘barometers of economic activity’?

Correct : A. index number

58. Test to determine whether a given method will work both forward & backward

Correct : C. time reversal test

59. Data which are collected, observed or recorded at successive intervals of time is known as ……

Correct : B. time series

60. Earthquake is an example of

Correct : D. irregular variation

61. All methods of index numbers except simple (unweighted) aggregative index satisfies

Correct : A. unit test

62. The word statistics was used in…………..

Correct : A. 1749

63. Statistics is ………………

Correct : C. science and art

64. Statistics can……………

Correct : C. neither prove nor disprove anything is just a tool

65. Bar diagrams are ……………………..dimensional diagrams

Correct : A. one

66. The number of observations corresponding to a class is known as ………………..of that class.

Correct : B. frequency

67. Diagrams and graphs are the tools of…………………

Correct : D. presentation of data

68. Circle diagram is also called

Correct : A. pie diagram

69. Histogram is a ………………

Correct : A. graph

70. In a Histogram bars……………….

Correct : A. touch each other

71. With the help of histogram we can prepare

Correct : C. both

72. Media is same as ………………..guartile

Correct : B. second

73. Median is the average suited for ……………classes

Correct : A. open-end

74. Which average is affected most by extreme observations

Correct : C. geometric mean

75. Which of the following is the most unstable average ?

Correct : A. mode

76. For dealing with qualitative data, the best average is …………..

Correct : D. median

77. The sum of deviations taken from arithmetic Mean is

Correct : C. zero

78. The sum of squares of deviations from arithmetic mean is ………

Correct : B. minimum

79. The best measure of central tendency is …………….

Correct : A. arithmetic mean

80. The 75th percentile is

Correct : A. greater than d6

81. Average is a measure of ………….

Correct : A. central tendancy

82. Histogram can be used to estimate……………

Correct : B. mode

83. Deciles divide the data in to ……………….equal parts.

Correct : B. 10

84. The positionl value which divide the data into 100 equal parts are

Correct : B. percentile

85. Which of the following represents median ?

Correct : A. fiftieth percentile

86. When Mean = 20 Median = 30, Mode = ?

Correct : B. 50

87. Harmonic Mean is the ………………of arithmetic Mean

Correct : A. reciprocal

88. Square of standard deviation of a distribution is the

Correct : B. variance

89. The best measure of dispersion is …………….

Correct : D. standard deviation

90. The measure of dispersion based on all the observations of the series is …………….

Correct : C. standard deviation

91. The Mean is 1000 and standard deviation is 50 then coefficient of variation is

Correct : B. 5

92. Mean deviation is minimum when deviations are taken from

Correct : B. median

93. Meaures of dispersion which ignores the sign is……………

Correct : A. mean deviation

94. When 5 is added to all the values of a series then standard deviation

Correct : A. does not change

95. In a normal distribution Q.D = …………..

Correct : A. sd

96. For the open-end class frequency distribution the appropriate measure of dispersion is………….

Correct : B. quartile deviation

97. For a symmetrical distribution the coefficient of skewness is

Correct : C. +3

98. The relationship between x and y is y = 2x + 1. The correlation between x and y is:

Correct : A. 1

99. When there is perfect correlation, the value of the correlation coefficient is:

Correct : C. ±1

100. When the correlation coefficient r = ±1, the two regression lines:

Correct : C. coincide