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Arithmetic Mean from Frequency Table

Find the valu...

Question

Find the value of mean.

A

6.5

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B

6.2

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C

6.3

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D

6.1

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Solution

The correct option is A 6.5

$M e a n (¯ x) = \frac{\sum f_{i} x_{i}}{N}$
= $\frac{123}{19}$
= $6.5$

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