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

CA Foundation · Quantitative Aptitude · MTP · September 2025
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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