Two series have the following characteristics: Series A: Mean = 40, S.D. = 8, and for Series B: Mean = 50, S.D. = 12, which series is more consistent?

CA Foundation · Quantitative Aptitude · MTP · September 2026
Two series have the following characteristics: Series A: Mean = 40, S.D. = 8, and for Series B: Mean = 50, S.D. = 12, which series is more consistent?
(A) A. Series A
(B) B. Series B
(C) C. Both are equally consistent
(D) D. Cannot be determined

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. Series A

Topics: Part-C: Statistics

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