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Question

# Assertion: We find mid points of a class interval as upper as upper class limit+lower class limit2 Reason: To draw frequency polygons independently without drawing histogram it is required to have class mark. Which of the following is correct

A
Both A and R are true and R is the correct explanation of A.
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B
Both A and R are true and R is not the correct explanation of A.
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C
A is true and R is false.
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D
A is false and R is true.
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Solution

## The correct option is A Both A and R are true and R is the correct explanation of A.A: By definition, this is true R: By definition, this is true Unless the class mark is obtained, one can’t draw frequency polygon independently. Hence R is correct explanation of A.

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