measures of dispersion MCQs – Page 2

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

measures of dispersion Mcqs
21. __________ of the distribution which is measured relative to the distribution known as Normal?
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A. Normal

B. Skewed

C. Flatness

D. Moment

22. ________ is the simplest means of dispersion?
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A. Standard deviation

B. C.V.

C. Variation

D. Range
23. If variance iv standard deviation is minimum if the deviation taken from______________?
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A. Mode

B. Mean

C. Average

D. G.M.

24. Standard deviation is always calculated from _____________?
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A. G.M.

B. Mean

C. Mode

D. Median

25. If y = bx + a the mean deviation of y is_____________?
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A. M.D.of x

B. S.D. of x

C. S.D. of y

D. var (x)

26. which is poor measure of dispersion in open-end distribution ________________?
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A. Range

B. None of these

C. Semi-inter quartile range

D. Quartile- deviation

27. Absolute sum of deviations is minimum from _______________?
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A. Mean

B. S.D. of x

C. Normal

D. Coefficient of variance

28. The sum of powers of deviation from mean is zero is called __________?
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A. Normal

B. Lack

C. Mean

D. Skewed

29. The degree to which numerical data tend to spread about an average value is a________________?
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A. Dispersion

B. Range

C. Minimum

D. variance

30. If Y=-8X 5 and SD of X is 3, then SD of Y is______________?
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A. 24

B. 3

C. 8

D. None of these

31. Mean deviation is always ________________?
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A. Negative

B. More than S.D.

C. Less than S.D.

D. Equal to S.D.

32. The value of interval x S include _______________?
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A. 68.27%

B. 99.73%

C. 95.45%

D. 49.45%

33. If all values are same then the measure of dispersion will be?
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A. Median

B. Mode

C. Mean

D. 1

E. 0
34. Second moment about mean is always equal to _____________?
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A. S.D.

B. Square

C. Variance

D. C.V.

35. The A.M. is greater than mode is equal to ______________?
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A. Negatively

B. zero

C. Skewness

D. +vely
36. Check the consistency used _____________?
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A. Coefficient of variance

B. Coefficient of dispersion

C. Q.D.

D. Mean coefficient

37. The measure of relative dispersion is called __________________?
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A. Quartile deviation

B. Coefficient of quartile Deviation

C. Mean coefficient

D. Mean dervation

38. The variance of 4,4,4,4,4,4 is _______________?
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A. (4)2

B. 4

C. None of these

D. 8

39. The sum of the squares of deviations is the least when measured from____________?
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A. Mode

B. G.M.

C. A.M.

D. Median

40. Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
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A. 2

B. 8

C. 0

D. 4