if all the observations are increased by 6, then the variance of the series will be

CA Foundation · Quantitative Aptitude · MTP · September 2024
if all the observations are increased by 6, then the variance of the series will be
(A) A. Increased
(B) B. Decreased
(C) C. Unchanged
(D) D. None of these

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. Unchanged

Topics: Part-C: Statistics

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