Statistics MCQs

Page No. 15

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


a<


b


c


d>


View Answer <

The most frequent value in data is called ________________?


aMean


bMode


cMedian


dH.M.


View Answer Mode

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


aDecease


bSmaller


cLargest


dIncrease


View Answer Increase

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


aVary


bNegative


cAffected


dNot affected


View Answer Affected

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


a4


b8


c2


d0


View Answer 0

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


a20


b5


c2.5


d0


View Answer 2.5

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


a6


b0


c3


d2


View Answer 2

Lowest value of variance can be____________?


a1


b-1


c3


d0


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


b2.58


c4.66


d2.33


View Answer 2.58

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


a8


b3


c24


d None of these


View Answer 24

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