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Mean for Frequency Distribution Table

If different ...

Question

If different values of variable $x$ are $9.8, 5.4, 3.7, 1.7, 1.8, 2.6, 2.8, 8.6, 10.5 a n d 11.1$ ; find the mean.

A

5.8

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B

7.8

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C

9.8

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D

None of these

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Solution

The correct option is A $5.8$
Values of $x$ are: $9.8, 5.4, 3.7, 1.7, 1.8, 2.6, 2.8, 8.6, 10.5 a n d 11.1$
$M e a n = \frac{S u m}{C o u n t}$
$M e a n = \frac{9.8 + 5.4 + 3.7 + 1.7 + 1.8 + 2.6 + 2.8 + 8.6 + 10.5 + 11.1}{10}$
$M e a n = \frac{58}{10}$
$M e a n = 5.8$

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