If the points of inflexion of a normal curve are 6 and 14, then standard deviation of the distribution is

CA Foundation · Quantitative Aptitude · MTP · January 2026
If the points of inflexion of a normal curve are 6 and 14, then standard deviation of the distribution is
(A) A. 4
(B) B. 8
(C) C. 9.17
(D) D. 32

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. 4

Topics: Part-C: Statistics

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