Assertion (A) The two lines of regression can never be parallel...

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Assertion (A) The two lines of regression can never be parallel.
Reason (R) The two lines of regression always pass through common point (x · y). Therefore, they can never be parallel.

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. (A) is true, but (R) is false

C. (R) is true, but (A) is false

D. Both (A) and (R) are false

Answer: Option A

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