McqMate
1. |
A numerical value used as a summary measure for a sample, such as a sample mean, is known as a |
A. | population parameter |
B. | sample parameter |
C. | sample statistic |
D. | population mean |
Answer» C. sample statistic |
2. |
Statistics branches include |
A. | applied statistics |
B. | mathematical statistics |
C. | industry statistics |
D. | both a and b |
Answer» D. both a and b |
3. |
To enhance a procedure the control charts and procedures of descriptive statistics are classified into |
A. | behavioural tools |
B. | serial tools |
C. | industry statistics |
D. | statistical tools |
Answer» A. behavioural tools |
4. |
Sample statistics are also represented as |
A. | lower case greek letter |
B. | roman letters |
C. | associated roman alphabets |
D. | upper case greek letter |
Answer» B. roman letters |
5. |
Individual respondents, focus groups, and panels of respondents are categorised as |
A. | primary data sources |
B. | secondary data sources |
C. | itemised data sources |
D. | pointed data sources |
Answer» A. primary data sources |
6. |
The variables whose calculation is done according to the weight, height and length and weight are known as: |
A. | flowchart variables |
B. | discrete variables |
C. | continuous variables |
D. | measuring variables |
Answer» C. continuous variables |
7. |
A method used to examine inflation rate anticipation, unemployment rate and capacity utilisation to produce products is classified as |
A. | data exporting technique |
B. | data importing technique |
C. | forecasting technique |
D. | data supplying technique |
Answer» C. forecasting technique |
8. |
Graphical and numerical methods are specialized processes utilised in |
A. | education statistics |
B. | descriptive statistics |
C. | business statistics |
D. | social statistics |
Answer» B. descriptive statistics |
9. |
The scale applied in statistics which imparts a difference of magnitude and proportions is considered as |
A. | exponential scale |
B. | goodness scale |
C. | ratio scale |
D. | satisfactory scale |
Answer» C. ratio scale |
10. |
Review of performance appraisal, labour turnover rates, planning of incentives and training programs and are examples of |
A. | statistics in production |
B. | statistics in marketing |
C. | statistics in finance |
D. | statistics in personnel management |
Answer» D. statistics in personnel management |
11. |
Which one is correct for a binomial distribution? |
A. | mean = variance |
B. | mean > variance |
C. | mean < variance |
D. | mean ≤ variance |
Answer» B. mean > variance |
12. |
In a binomial distribution, n =5 mean equals 2, what is the value of q? |
A. | .40 |
B. | .50 |
C. | .60 |
D. | .70 |
Answer» C. .60 |
13. |
Three fair coins tossed simultaneously what is the probability to get exact 2 head? |
A. | 3/8 |
B. | 2/8 |
C. | 1/8 |
D. | 1 |
Answer» A. 3/8 |
14. |
In a binomial distribution variance found to be 1 and q=1/2, what is the value of n? |
A. | 10 |
B. | 5 |
C. | 6 |
D. | 4 |
Answer» 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? |
A. | 2/8 |
B. | 5/8 |
C. | 8/28 |
D. | 15/28 |
Answer» D. 15/28 |
16. |
What is true for a poison Distribution? |
A. | mean = variance |
B. | mean > variance |
C. | mean < variance |
D. | mean ≤ variance |
Answer» A. mean = variance |
17. |
A statement about a population developed for testing is called |
A. | hypothesis |
B. | hypothesis testing |
C. | level of significance |
D. | test-statistic |
Answer» A. hypothesis |
18. |
Any hypothesis, which are tested for the purpose of rejection under the assumption that it is true, is called |
A. | null hypothesis |
B. | alternative hypothesis |
C. | statistical hypothesis |
D. | composite hypothesis |
Answer» A. null hypothesis |
19. |
The alternative hypothesis is also called |
A. | null hypothesis |
B. | statistical hypothesis |
C. | research hypothesis |
D. | simple hypothesis |
Answer» C. research hypothesis |
20. |
A rule or formula that provides a basis for testing a null hypothesis is called |
A. | test-statistic |
B. | population statistic |
C. | both of these |
D. | none of the above |
Answer» A. test-statistic |
21. |
The range of test statistic-t is |
A. | 0 to ∞ |
B. | 0 to 1 |
C. | -∞ to +∞ |
D. | -1 to +1 |
Answer» C. -∞ to +∞ |
22. |
If Ho is true and we reject it is called |
A. | type-i error |
B. | type-ii error |
C. | standard error |
D. | sampling error |
Answer» A. type-i error |
23. |
A passing student is failed by an examiner, it is an example of |
A. | type-i error |
B. | type-ii error |
C. | best decision |
D. | all of the above |
Answer» A. type-i error |
24. |
1 – α is also called |
A. | confidence coefficient |
B. | power of the test |
C. | size of the test |
D. | level of significance |
Answer» A. confidence coefficient |
25. |
1 – α is the probability associated with |
A. | type-i error |
B. | type-ii error |
C. | level of confidence |
D. | level of significance |
Answer» A. type-i error |
26. |
Area of the rejection region depends on |
A. | size of α |
B. | size of β |
C. | test-statistic |
D. | number of values |
Answer» A. size of α |
27. |
Level of significance is also called |
A. | power of the test |
B. | size of the test |
C. | level of confidence |
D. | confidence coefficient |
Answer» B. size of the test |
28. |
Critical region is also called |
A. | acceptance region |
B. | rejection region |
C. | confidence region |
D. | statistical region |
Answer» B. rejection region |
29. |
The weighted average of price relations using basic values as weights is same as the ……………… |
A. | laspeyres quantity index |
B. | paasches’ price index |
C. | laspeyres price index |
D. | kelly’s price index |
Answer» A. laspeyres quantity index |
30. |
Which one of the following indices satisfies both time reversal and factor reversal list ? |
A. | lasperyres index number |
B. | fischer’s index number |
C. | paasches index number |
D. | bowley’s index number |
Answer» B. fischer’s index number |
31. |
Which one of the following index numbers is based on Geometric Mean ? |
A. | lasperyres index number |
B. | fischer’s index number |
C. | paasches index number |
D. | bowley’s index number |
Answer» 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? |
A. | 220 |
B. | 215 |
C. | 225 |
D. | 230 |
Answer» C. 225 |
33. |
The major purpose of price index is to measure change in the ………… |
A. | standard of living |
B. | gold content of money |
C. | buying power of money |
D. | capacity to produce |
Answer» C. buying power of money |
34. |
Which of the following statement is not correct ? Fishers’ index : |
A. | lies between laspeyres’ (l) & paasches’ index |
B. | is the arithmetic mean of l & p |
C. | is the geometric mean of l & p |
D. | is equal to l or p if l = p |
Answer» B. is the arithmetic mean of l & p |
35. |
In consumer price index number weights are determing on the basis of ……….. |
A. | actual price of the index |
B. | the consumption pattern of the class of population |
C. | actual consumption expenditure |
D. | both price & consumption expenditure |
Answer» B. the consumption pattern of the class of population |
36. |
Consumer price index number indicates |
A. | the general price level |
B. | the wholesale price level |
C. | export price |
D. | all of these |
Answer» A. the general price level |
37. |
Index Numbers measure |
A. | the change in base year prices |
B. | the change in current year prices |
C. | real changes |
D. | none of the above |
Answer» A. the change in base year prices |
38. |
Simple fixed quantity relative |
A. | × 100 |
B. | × 100 |
C. | × 100 |
D. | × 100 |
Answer» C. × 100 |
39. |
The day to day irregularities in business activity are the example of |
A. | secular trend |
B. | seasonal fluctuations |
C. | cyclical fluctuations |
D. | random or erratic fluctuations |
Answer» D. random or erratic fluctuations |
40. |
Fisher’s ideal index Number satisfies |
A. | time reversal & factor reversal list |
B. | only time reversal list |
C. | only factor reversal list |
D. | circular list |
Answer» A. time reversal & factor reversal list |
41. |
Fishers ideal index is obtained as : |
A. | the sum of laspeyre’s & paasche’s indices |
B. | the geometric mean of laspeyer’s & paasche’s indices |
C. | the arithemetic mean of laspeyer’s & paasche’s indices |
D. | the harmonic mean of laspeyre’s & paasche’s indices |
Answer» B. the geometric mean of laspeyer’s & paasche’s indices |
42. |
∑ ∑ × 100 is the formula for calculating …….. |
A. | bowley’s index |
B. | fisher’s index |
C. | laspeyer’s index |
D. | paasche’s index |
Answer» C. laspeyer’s index |
43. |
Laspeyres index measures change in |
A. | fixed market basket |
B. | current consumption |
C. | both fixed and current market basket |
D. | none |
Answer» A. fixed market basket |
44. |
is the formula for calculating |
A. | fishers index |
B. | bowley’s method |
C. | laspeyre’s index |
D. | paasche’s index |
Answer» B. bowley’s method |
45. |
Recurrent variations in time series that usually last longer than a year is known as …………… |
A. | seasonal variation |
B. | secular trend |
C. | irregular variation |
D. | cyclical variation |
Answer» D. cyclical variation |
46. |
Paasche’s index measures change in |
A. | fixed market basket |
B. | current consumption |
C. | both fixed and current market |
D. | none |
Answer» B. current consumption |
47. |
A lock-out in a factory for a month is associated with the component of time series |
A. | trend |
B. | seasonal variation |
C. | cyclic variation |
D. | irregular variation |
Answer» D. irregular variation |
48. |
Consumer price index number is constructed for |
A. | a well defined section of people |
B. | workers only |
C. | all people |
D. | all the above |
Answer» A. a well defined section of people |
49. |
Which one is not the test of index Number |
A. | unit test |
B. | time reversal test |
C. | triangular test |
D. | factor reversal test |
Answer» C. triangular test |
50. |
The average of Laspeyre’s and Paasche’s index number which gives Fisher’s index number is |
A. | am |
B. | gm |
C. | hm |
D. | weighted average |
Answer» B. gm |
51. |
Purchasing power of money |
A. | price index × 100 |
B. | 100 |
C. | 100/ |
D. | real wage |
Answer» C. 100/ |
52. |
Factor reversal list permits the interchange of |
A. | base periods |
B. | price & quantity |
C. | weights |
D. | none of the above |
Answer» B. price & quantity |
53. |
The method which is not used for estimating seasonal components of a time series |
A. | ratio to trend method |
B. | link relative method |
C. | method of simple average |
D. | method of least squares |
Answer» D. method of least squares |
54. |
Cost of living index is known as |
A. | consumer price index |
B. | whole sale price index |
C. | quantity index |
D. | none |
Answer» A. consumer price index |
55. |
Paasches index number is based on |
A. | base year quantity |
B. | current year quantity |
C. | day year quantity |
D. | none |
Answer» B. current year quantity |
56. |
Measures of change in the level of phenomenon is called |
A. | correlation |
B. | dispersion |
C. | mean |
D. | index numbers |
Answer» D. index numbers |
57. |
Which of the following is described as ‘barometers of economic activity’? |
A. | index number |
B. | correlation |
C. | regression |
D. | time series |
Answer» A. index number |
58. |
Test to determine whether a given method will work both forward & backward |
A. | unit test |
B. | factor reversal test |
C. | time reversal test |
D. | none |
Answer» C. time reversal test |
59. |
Data which are collected, observed or recorded at successive intervals of time is known as …… |
A. | index numbers |
B. | time series |
C. | regression |
D. | correlation |
Answer» B. time series |
60. |
Earthquake is an example of |
A. | secular trend |
B. | seasonal variation |
C. | cyclical variation |
D. | irregular variation |
Answer» D. irregular variation |
61. |
All methods of index numbers except simple (unweighted) aggregative index satisfies |
A. | unit test |
B. | time reversal list |
C. | factor reversal test |
D. | circular test |
Answer» A. unit test |
62. |
The word statistics was used in………….. |
A. | 1749 |
B. | 1849 |
C. | 1790 |
D. | 1801 |
Answer» A. 1749 |
63. |
Statistics is ……………… |
A. | science only |
B. | art only |
C. | science and art |
D. | neither science nor art |
Answer» C. science and art |
64. |
Statistics can…………… |
A. | prove anything |
B. | disprove any thing |
C. | neither prove nor disprove anything is just a tool |
D. | none of these |
Answer» C. neither prove nor disprove anything is just a tool |
65. |
Bar diagrams are ……………………..dimensional diagrams |
A. | one |
B. | two |
C. | three |
D. | none of these |
Answer» A. one |
66. |
The number of observations corresponding to a class is known as ………………..of that class. |
A. | population |
B. | frequency |
C. | class interval |
D. | none of these |
Answer» B. frequency |
67. |
Diagrams and graphs are the tools of………………… |
A. | collection of data |
B. | analysis of data |
C. | summarisation of data |
D. | presentation of data |
Answer» D. presentation of data |
68. |
Circle diagram is also called |
A. | pie diagram |
B. | pictogram |
C. | sectors |
D. | none of these |
Answer» A. pie diagram |
69. |
Histogram is a ……………… |
A. | graph |
B. | curve |
C. | diagram |
D. | pictogram |
Answer» A. graph |
70. |
In a Histogram bars………………. |
A. | touch each other |
B. | do not touch |
C. | either way |
D. | neither way |
Answer» A. touch each other |
71. |
With the help of histogram we can prepare |
A. | frequency polygon |
B. | frequency cure |
C. | both |
D. | done |
Answer» C. both |
72. |
Media is same as ………………..guartile |
A. | first |
B. | second |
C. | third |
D. | fourth |
Answer» B. second |
73. |
Median is the average suited for ……………classes |
A. | open-end |
B. | closed-end |
C. | both of these |
D. | none of these |
Answer» A. open-end |
74. |
Which average is affected most by extreme observations |
A. | mode |
B. | medium |
C. | geometric mean |
D. | arithmetic mean |
Answer» C. geometric mean |
75. |
Which of the following is the most unstable average ? |
A. | mode |
B. | median |
C. | arithmetic mean |
D. | geometric mean |
Answer» A. mode |
76. |
For dealing with qualitative data, the best average is ………….. |
A. | arithmetic mean |
B. | geometric mean |
C. | harmonic mean |
D. | median |
Answer» D. median |
77. |
The sum of deviations taken from arithmetic Mean is |
A. | maximum |
B. | minimum |
C. | zero |
D. | one |
Answer» C. zero |
78. |
The sum of squares of deviations from arithmetic mean is ……… |
A. | maximum |
B. | minimum |
C. | zero |
D. | one |
Answer» B. minimum |
79. |
The best measure of central tendency is ……………. |
A. | arithmetic mean |
B. | geometric mean |
C. | median |
D. | harmonic mean |
Answer» A. arithmetic mean |
80. |
The 75th percentile is |
A. | greater than d6 |
B. | less than d6 |
C. | equal to d6 |
D. | equal to d6 |
Answer» A. greater than d6 |
81. |
Average is a measure of …………. |
A. | central tendancy |
B. | dispersion |
C. | symmetry |
D. | concentration |
Answer» A. central tendancy |
82. |
Histogram can be used to estimate…………… |
A. | median |
B. | mode |
C. | mean |
D. | quartile |
Answer» B. mode |
83. |
Deciles divide the data in to ……………….equal parts. |
A. | 100 |
B. | 10 |
C. | 2 |
D. | 4 |
Answer» B. 10 |
84. |
The positionl value which divide the data into 100 equal parts are |
A. | decile |
B. | percentile |
C. | quartiles |
D. | octiles |
Answer» B. percentile |
85. |
Which of the following represents median ? |
A. | fiftieth percentile |
B. | first quartile |
C. | sixth decile |
D. | 20th percentile |
Answer» A. fiftieth percentile |
86. |
When Mean = 20 Median = 30, Mode = ? |
A. | 40 |
B. | 50 |
C. | 60 |
D. | 70 |
Answer» B. 50 |
87. |
Harmonic Mean is the ………………of arithmetic Mean |
A. | reciprocal |
B. | substitute |
C. | both of these |
D. | none of these |
Answer» A. reciprocal |
88. |
Square of standard deviation of a distribution is the |
A. | median |
B. | variance |
C. | mode |
D. | none of these |
Answer» B. variance |
89. |
The best measure of dispersion is ……………. |
A. | range |
B. | variance |
C. | quartile deviations |
D. | standard deviation |
Answer» D. standard deviation |
90. |
The measure of dispersion based on all the observations of the series is ……………. |
A. | range |
B. | quartile deviation |
C. | standard deviation |
D. | inter quartile range |
Answer» C. standard deviation |
91. |
The Mean is 1000 and standard deviation is 50 then coefficient of variation is |
A. | 15 |
B. | 5 |
C. | 8 |
D. | 10 |
Answer» B. 5 |
92. |
Mean deviation is minimum when deviations are taken from |
A. | mean |
B. | median |
C. | mode |
D. | zero |
Answer» B. median |
93. |
Meaures of dispersion which ignores the sign is…………… |
A. | mean deviation |
B. | range |
C. | quartile deviation |
D. | standard deviation |
Answer» A. mean deviation |
94. |
When 5 is added to all the values of a series then standard deviation |
A. | does not change |
B. | becomes 5 times |
C. | increased by 5 |
D. | decreased by 5 |
Answer» A. does not change |
95. |
In a normal distribution Q.D = ………….. |
A. | sd |
B. | sd |
C. | (sd) |
D. | √sd |
Answer» A. sd |
96. |
For the open-end class frequency distribution the appropriate measure of dispersion is…………. |
A. | range |
B. | quartile deviation |
C. | mean deviation |
D. | standard deviation |
Answer» B. quartile deviation |
97. |
For a symmetrical distribution the coefficient of skewness is |
A. | +1 |
B. | -1 |
C. | +3 |
D. | -3 |
Answer» C. +3 |
98. |
The relationship between x and y is y = 2x + 1. The correlation between x and y is: |
A. | 1 |
B. | -1 |
C. | 0 |
D. | 4 |
Answer» A. 1 |
99. |
When there is perfect correlation, the value of the correlation coefficient is: |
A. | -1 |
B. | +1 |
C. | ±1 |
D. | 0 |
Answer» C. ±1 |
100. |
When the correlation coefficient r = ±1, the two regression lines: |
A. | are perpendicular to each other |
B. | are parallel to each other |
C. | coincide |
D. | do not exist |
Answer» C. coincide |
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