For the variables x and y, the regression equations are given as x + 2y - 5 = 0 2x + 3y - 8 = 0 and the arithmetic means of x and y are 1 and 2…

CA Foundation · Quantitative Aptitude · PYQS · January 2026
For the variables x and y, the regression equations are given as x + 2y - 5 = 0 2x + 3y - 8 = 0 and the arithmetic means of x and y are 1 and 2 respectively. Compute the correlation coefficient between x and y.
(A) A. -0.87
(B) B. 0
(C) C. 0.87
(D) D. 1

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 0

Topics: Part-C: Statistics

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