You are given the following data relating to a frequency distribution of 10 observations : ∑X = 50, ∑Y = 60, ∑X² = 300, ∑Y² = 352, ∑(X + Y)² = 1372…

CA Foundation · Quantitative Aptitude · PYQS · January 2025
You are given the following data relating to a frequency distribution of 10 observations : ∑X = 50, ∑Y = 60, ∑X² = 300, ∑Y² = 352, ∑(X + Y)² = 1372 then Cov(X, Y) is
(A) A. 4
(B) B. 2
(C) C. 6
(D) D. 8

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. 6

Topics: Part-C: Statistics

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