If x and y are related by y = 2x+ 5 and the SD and AM of x are known to be 5 and 10 respectively, then the coefficient of variation of y is -

CA Foundation · Quantitative Aptitude · RTP · September 2024
If x and y are related by y = 2x+ 5 and the SD and AM of x are known to be 5 and 10 respectively, then the coefficient of variation of y is -
(A) A. 25
(B) B. 30
(C) C. 40
(D) D. 20

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. 40

Topics: Part-C: Statistics

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