Obtain the mean of the following distribution:
Frequency
variable
$4$
$4$
$8$
$6$
$14$
$8$
$11$
$10$
$3$
$12$

10.5

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9.2

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8.05

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7.5

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Solution

The correct option is B $8.05$
Mean $= \frac{\sum_{1}^{5} frequency \times variable}{\sum_{1}^{5} variable}$
$\Rightarrow$ mean $= \frac{16 + 48 + 112 + 110 + 36}{4 + 6 + 8 + 10 + 12}$
$\Rightarrow$ mean $= \frac{322}{40}$
$\Rightarrow$ mean $= 8.05$

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Q. Obtain the mean of the following distribution:

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Q. Question 10
Obtain the mean of the following distribution.

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Find the mean of the following data.

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Q. Calculate the mean for the following distribution:

$x$ :	$5$	$6$	$7$	$8$	$9$
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Obtain the mean of the following distribution:Frequencyvariable44861481110312

The correct option is B 8.05Mean =∑51frequency×variable∑51variable⇒ mean =16+48+112+110+364+6+8+10+12⇒ mean =32240⇒ mean =8.05

Obtain the mean of the following distribution:
Frequency
variable
$4$
$4$
$8$
$6$
$14$
$8$
$11$
$10$
$3$
$12$

The correct option is B $8.05$
Mean $= \frac{\sum_{1}^{5} frequency \times variable}{\sum_{1}^{5} variable}$
$\Rightarrow$ mean $= \frac{16 + 48 + 112 + 110 + 36}{4 + 6 + 8 + 10 + 12}$
$\Rightarrow$ mean $= \frac{322}{40}$
$\Rightarrow$ mean $= 8.05$