The midpoint of a class interval 20-30 (exclusive) is: MCQ with Answer and Explanation

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The midpoint of a class interval 20-30 (exclusive) is:

A. 25

B. 20

C. 30

D. 50

Answer: Option A

Solution (By JKExamLibrary)

Class midpoint = (Lower limit + Upper limit) / 2 = (20 + 30) / 2 = 25. This represents the central value of the class for calculations like mean in grouped data.

This question belongs to: Accountancy and Statistics Statistics

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