McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Tourism Studies (BTS) .
| 1. |
The median of a series is 10. Two additional observations 8 and 15 are added to the series. The median of the new series will be ____________________ |
| A. | 8 |
| B. | 15 |
| C. | 11 |
| D. | 10 |
| Answer» D. 10 | |
| 2. |
If the mean ages of a group of boys is 20 years, then the mean of their ages after 2 years is __________ |
| A. | 20 |
| B. | 22 |
| C. | 10 |
| D. | None of these |
| Answer» B. 22 | |
| 3. |
The median of a frequency distribution is graphically with the help of ______________- |
| A. | Graph |
| B. | Ogive |
| C. | Mode |
| D. | None of these |
| Answer» B. Ogive | |
| 4. |
Find the value of x, if the mode of the data is 25. 15,20,25,18,14,15,25,15,18,16,20,25,20,x |
| A. | 20 |
| B. | 10 |
| C. | 25 |
| D. | None of these |
| Answer» C. 25 | |
| 5. |
Two types of ogives meet at ______________ |
| A. | Mode |
| B. | Mean |
| C. | Median |
| D. | None of these |
| Answer» C. Median | |
| 6. |
The mode of a frequency distribution can be determined graphically by |
| A. | Median |
| B. | Ogive |
| C. | Histogram |
| D. | None of these |
| Answer» C. Histogram | |
| 7. |
Calculate median 35,23,45,50,80,61,92,40,52,61 |
| A. | 23 |
| B. | 50 |
| C. | 80 |
| D. | 51 |
| Answer» D. 51 | |
| 8. |
Find the range and the coefficient of range for the following values 25,32,85,32,42,10,20,18,28 |
| A. | 25 |
| B. | 85 |
| C. | 10 |
| D. | 75 |
| Answer» D. 75 | |
| 9. |
Variance= _______________ |
| A. | S.D |
| B. | X |
| C. | C.V |
| D. | S.D2 |
| Answer» D. S.D2 | |
| 10. |
If all the values of a series are multiplied by 5 what happens to the S.D |
| A. | Decreasing by 5 |
| B. | Increasing by 5 |
| C. | Multiplied by 5 |
| D. | None of these |
| Answer» C. Multiplied by 5 | |
| 11. |
For a frequency distribution M.D from mean is completed by _____________ |
| A. | ∑x/n |
| B. | ∑fx/n |
| C. | ∑fIdI/n |
| D. | None of these |
| Answer» C. ∑fIdI/n | |
| 12. |
The mean duration of the series : a,a+d,a+2d,………,a+2n from its mean is |
| A. | n(n-1) |
| B. | n(n-1)/2 |
| C. | n(n+1)/2 |
| D. | n(n+1)d/2n+1 |
| Answer» D. n(n+1)d/2n+1 | |
| 13. |
Find the sum of the duration of the variable values 3,4,6,8,14 from their mean |
| A. | 3 |
| B. | 4 |
| C. | 8 |
| D. | 7 |
| Answer» D. 7 | |
| 14. |
The varience of 15 observations is 4, if each observation is increased by 9, the varience of the resulting observation is |
| A. | 8 |
| B. | 16 |
| C. | 4 |
| D. | None of these |
| Answer» C. 4 | |
| 15. |
Find the value of third quartile if the values of first quartile and quartile deceiation are 104 & 108 respectively |
| A. | 120 |
| B. | 70 |
| C. | 110 |
| D. | 140 |
| Answer» D. 140 | |
| 16. |
Mean deceiation which is calculatedis |
| A. | Mean |
| B. | Median |
| C. | Mode |
| D. | None of these |
| Answer» B. Median | |
| 17. |
Find the probable error if r=0.6 and n=64 |
| A. | 0.8 |
| B. | 0.7 |
| C. | 64 |
| D. | 0.43 |
| Answer» D. 0.43 | |
| 18. |
Maximum positive value of coefficient of correlation is ___________- |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | None of these |
| Answer» B. 1 | |
| 19. |
If correlation coefficient r is –ve, both the regression coefficients are ____________ |
| A. | + ve |
| B. | 0 |
| C. | – ve |
| D. | None of these |
| Answer» C. – ve | |
| 20. |
When the values of two variables change in the same direction, there is _________correlation |
| A. | + ve |
| B. | – ve |
| C. | Perfect |
| D. | None of these |
| Answer» A. + ve | |
| 21. |
A time series consists of |
| A. | two components |
| B. | three components |
| C. | four components |
| D. | none of the above |
| Answer» C. four components | |
| 22. |
The forecarts on the bacis of a time series are |
| A. | Cent per unit time |
| B. | true to great extent |
| C. | Never true |
| D. | True to some extend |
| Answer» B. true to great extent | |
| 23. |
The component of a time series attached to long term variations is termed as: |
| A. | cyclic variation |
| B. | secula |
| C. | irregular variation |
| D. | all the above |
| Answer» B. secula | |
| 24. |
The component of a time series which is attached to short term fluctuations is |
| A. | seasonal variation |
| B. | cyclic variation |
| C. | irregular variatio |
| D. | allthe above |
| Answer» D. allthe above | |
| 25. |
A lock-out in a factory for a month is associated with the component of a time series is : |
| A. | irregular movement |
| B. | secular trend |
| C. | cyclic variation |
| D. | none of these |
| Answer» A. irregular movement | |
| 26. |
Secular trend is indicative of long term variation towards |
| A. | increase only |
| B. | decrease only |
| C. | either increase or decrease |
| D. | none of the above |
| Answer» C. either increase or decrease | |
| 27. |
seasonal variation means the variations occurring within |
| A. | a number of year |
| B. | parts of a year |
| C. | parts of a month |
| D. | none of the above |
| Answer» B. parts of a year | |
| 28. |
Index number is a ______________ |
| A. | measure of relative changes. |
| B. | a special type of an average. |
| C. | a percentage relative |
| D. | all the above |
| Answer» D. all the above | |
| 29. |
Index numbers are expressed: |
| A. | in percentages |
| B. | in ratios |
| C. | in terms of absolute value |
| D. | all the above |
| Answer» A. in percentages | |
| 30. |
Index numbers help |
| A. | in framing of economic policies |
| B. | in assessing the purchasing power of mony |
| C. | for adjusting national income |
| D. | all the above |
| Answer» D. all the above | |
| 31. |
The best average for constructing an index numbers is _________________ |
| A. | Arithmetic mean |
| B. | Harmonic mean |
| C. | Geometric mean |
| D. | weighted mean |
| Answer» C. Geometric mean | |
| 32. |
Index no. for the base period is always taken as |
| A. | 200 |
| B. | 50 |
| C. | 1 |
| D. | 100 |
| Answer» D. 100 | |
| 33. |
_________ play a very important part in the construction of index numbers. |
| A. | weights |
| B. | classes |
| C. | c.estinations |
| D. | none |
| Answer» A. weights | |
| 34. |
Index numbers show ____________ changes rather than absolute changes. |
| A. | relative |
| B. | percentage |
| C. | both |
| D. | none |
| Answer» B. percentage | |
| 35. |
Index number is equal to_________________ |
| A. | sum of price relatives |
| B. | average of the price relatives |
| C. | product of price relative |
| D. | none |
| Answer» B. average of the price relatives | |
| 36. |
Laspeyer’s index formula use the weights of the |
| A. | base year |
| B. | current year |
| C. | average of the weights of a number of year |
| D. | none of the above |
| Answer» A. base year | |
| 37. |
If the index number is independent of the units of measurement ,then it satisfies |
| A. | time reversal test |
| B. | factor reversal test |
| C. | unit test |
| D. | all the above |
| Answer» C. unit test | |
| 38. |
Statistics is defined in terms of numerical data in the___________ |
| A. | singular sense |
| B. | plural sense |
| C. | either a or b |
| D. | both a and b |
| Answer» B. plural sense | |
| 39. |
Statistics is applied in ____________________ |
| A. | economics |
| B. | business management |
| C. | commerce and industry |
| D. | all the above |
| Answer» D. all the above | |
| 40. |
Which of the following represents statistics |
| A. | a single value |
| B. | only two values in a set |
| C. | a group of values in a set |
| D. | none of these |
| Answer» C. a group of values in a set | |
| 41. |
Statistics deals with |
| A. | qualitative information |
| B. | quantitative information |
| C. | both |
| D. | none of these |
| Answer» B. quantitative information | |
| 42. |
Statistical data are collected |
| A. | without any purpose |
| B. | for a given purpose |
| C. | any purpose |
| D. | none of these |
| Answer» B. for a given purpose | |
| 43. |
Statistical results are |
| A. | absolutely correct |
| B. | not true |
| C. | true on an average |
| D. | universally true |
| Answer» C. true on an average | |
| 44. |
Statistics does not study |
| A. | individuals |
| B. | groups |
| C. | aggregates |
| D. | all above |
| Answer» A. individuals | |
| 45. |
Statistics are |
| A. | aggregates of facts |
| B. | numerically expressed |
| C. | systematically collected |
| D. | all above |
| Answer» D. all above | |
| 46. |
Statistical methods |
| A. | collection of data |
| B. | classification |
| C. | analysis and inter correlation of data |
| D. | all these |
| Answer» D. all these | |
| 47. |
Statistics is ________________ |
| A. | an art |
| B. | a science |
| C. | both |
| D. | none of these |
| Answer» C. both | |
| 48. |
The mean of a observation is x. If k is added to each observation then new mean is_______________ |
| A. | x |
| B. | x+k |
| C. | x-k |
| D. | kx |
| Answer» B. x+k | |
| 49. |
Mean deviation which is calculated is minimum at |
| A. | mean |
| B. | median |
| C. | c.mode |
| D. | d.all of these |
| Answer» B. median | |
| 50. |
Find the sum of the deviation of the variable values 3,4,6,8,14 from their mean |
| A. | a.5 |
| B. | 0 |
| C. | 1 |
| D. | 7 |
| Answer» B. 0 | |
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