The two lines of regression become identical when

CA Foundation · Quantitative Aptitude · RTP · January 2026
The two lines of regression become identical when
(A) A. r = 1
(B) B. r = -1
(C) C. r = 0
(D) D. (a) or (b)

Suggested Answer and Working Notes:

Correct Answer: Option (D)

D. (a) or (b)

Topics: Part-C: Statistics

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