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When 5 is added to all the values of a series then standard deviation

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Question:

When 5 is added to all the values of a series then standard deviation

A.

does not change

B.

becomes 5 times

C.

increased by 5

D.

decreased by 5

Answer» a. does not change

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