The corresponding bar graph for the following data is shown in the figure given below:

Find the value of the mean for this data.

102

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101

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101.5

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100

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Solution

The correct option is C $101.5$
$M e a n$
$= \frac{S u m o f a l l d a t a p o i n t s}{T o t a l n u m b e r o f d a t a p o i n t s}$

Sum of all data points
$= 105 + 199 + 29 + 73 = 406$
Total number of data points
$= 4$

$M e a n = \frac{406}{4}$
$= 101.5$

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