A.M of 40 observations of a variable is 25 and S.D is 4. The sum of squares of allobservations is

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Question:

A.M of 40 observations of a variable is 25 and S.D is 4. The sum of squares of allobservations is

A.

25640

B.

26540

C.

24560

D.

26450

Answer» a. 25640

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