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Statistics Mcqs — Test 24

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Question 1
H.M. _____ G.M. _______ A.M?
Question 2
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
Question 3
Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
Question 4
Arithmetic mean is _________ by change of origin and scale of measurement?
Question 5
The arithmetic mean _________ by 10 if 10 is added to all values?
Question 6
Lowest value of variance can be____________?
Question 7
The mean deviation of the values, 18, 12, 15, is_______________?
Question 8
Variance remains unchanged by change of_____________?
Question 9
If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?
Question 10
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_____________?