If two variables 'x' and 'y' are related to 3x + 4y - 7 = 0 and mean & mean deviation about mean of 'x' are 1.2 and 0.4 respectively then the…

CA Foundation · Quantitative Aptitude · PYQS · January 2026
If two variables 'x' and 'y' are related to 3x + 4y - 7 = 0 and mean & mean deviation about mean of 'x' are 1.2 and 0.4 respectively then the coefficient of mean deviation of 'y' about its mean is?
(A) A. 34.3
(B) B. 32.3
(C) C. 35.3
(D) D. 36.3

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. 35.3

Topics: Part-C: Statistics

Open in Interactive Practice Hub · Full Practice Hub · Chapter Weightage · More in this subject

Related Questions in this Topic