If two attributes have perfect positive association, then: MCQ with Answer and Explanation

If two attributes have perfect positive association, then:
A. (AB) = (A) = (B)
B. (A) = (B)
C. (αβ) = 0
D. (AB) = 0
Answer: Option A
Solution (By JKSSB Mock Tests)
Perfect positive association means all A's are B's and all B's are A's, so (AB) equals both marginals.

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