If all observations in a distribution are increased by 6, then the variance of the series will be _____

CA Foundation · Quantitative Aptitude · MTP · May 2026
If all observations in a distribution 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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