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If the sum of squares of the deviations of 10 observations taken from mean 50 is 250,then C.V is

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Question:

If the sum of squares of the deviations of 10 observations taken from mean 50 is 250,then C.V is

A.

10%

B.

12%

C.

20%

D.

15%

Answer» a. 10%

Note: The above multiple-choice question is for all general and Competitive Exams in India.