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What is formula to find Percentage and Average ?
Given :
Percentage and Average.
To do :
We have to write the formula to find percentage and average
Solution :
Formula to find Percentage :
% means A number expressed as fraction of 100.
$\displaystyle 10\%\ =\ \frac{10}{100}$
For example, 10% of 50.
$10 \%\ of 50 = \frac{10}{100} \times50 = 5$
Formula to find Average :
$Average = \frac{Sum \ of \ observations}{Number \ of \ observations}$
For example, Average of 3 , 5 , 8 , 4
$Average = \frac{3 + 5 + 8 + 4}{4} = \frac{20}{4} = 5$
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