Which one of the following statement is wrong?

CA Foundation · Quantitative Aptitude · PYQS · January 2025
Which one of the following statement is wrong?
(A) A. The correlation coefficient between X and Y is 2.6.
(B) B. The normal curve is bell shaped.
(C) C. If r = 0, regression lines are perpendicular to each other.
(D) D. For any two events A and B, P(A∪B) = P(A) + P(B) – P(A ∩ B).

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. The correlation coefficient between X and Y is 2.6.

Topics: Part-C: Statistics

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