Statistics MCQs

Page No. 15

H.M. _____ G.M. _______ A.M?


a<

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b≥

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c≤

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d>

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View Answer <

The most frequent value in data is called ________________?


aMean

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bMode

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cMedian

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dH.M.

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View Answer Mode

The arithmetic mean _________ by 10 if 10 is added to all values?


aDecease

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bSmaller

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cLargest

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dIncrease

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View Answer Increase

Arithmetic mean is _________ by change of origin and scale of measurement?


aVary

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bNegative

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cAffected

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dNot affected

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View Answer Affected

Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?


a4

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b8

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c2

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d0

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View Answer 0

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


a20

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b5

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c2.5

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d0

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View Answer 2.5

The mean deviation of the values, 18, 12, 15, is_______________?


a6

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b0

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c3

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d2

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View Answer 2

Lowest value of variance can be____________?


a1

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b-1

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c3

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d0

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View Answer 0

If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?


a0

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b2.58

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c4.66

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d2.33

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View Answer 2.58

If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?


a8

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b3

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c24

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d None of these

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View Answer 24

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