measures of dispersion MCQs – Page 3

Practise focused measures of dispersion questions with marked answers for exam preparation and subject revision.

measures of dispersion Mcqs
41. First movement about mean is always equal to ___________?
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A. Zero

B. 1

C. None of these

D. S.D.

42. If y= bx + c the range of y is ________?
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A. Range of x

B. Range of P

C. Zero

D. Quartile of X
43. Quartile deviation is not capable of manipulation______________?
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A. Algebraic

B. Easy

C. Abjectly

D. mathematically

44. In a symmetrical distribution mean, median and mode, _________________?
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A. Less than

B. Greater

C. Coincide

D. Positive

45. The sum of absolute deviations from median is _____?
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A. Zero

B. Positive

C. Least

D. None of these

46. The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
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A. 5

B. 2.5

C. 20

D. 0

47. The correct variance is define as the __________________?
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A. varies of data P2/6

B. M.D. of data h2/6

C. S.D. of data h2/12

D. Variance of data h2/12
48. In grouped data, the range is the difference between ________________?
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A. Two extreme class limits

B. None of these

C. Two extreme class boundaries

D. Two extreme class frequency

49. Variance remains unchanged by change of_____________?
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A. Both

B. Scale

C. None of these

D. Origin