If (AB)=30, (Aβ)=20, (αB)=10, (αβ)=40, the total number of observations N is: MCQ with Answer and Explanation

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If (AB)=30, (Aβ)=20, (αB)=10, (αβ)=40, the total number of observations N is:

A. 110

B. 100

C. 90

D. 80

Answer: Option B

Solution (By JKExamLibrary)

N = (AB) + (Aβ) + (αB) + (αβ) = 30+20+10+40 = 100.

This question belongs to: Accountancy and Statistics Statistics

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