Question
Find the mean of first five prime numbers.
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Answer
The first five prime numbers are $2,3,5,7,11$
$ \begin{aligned} & \therefore \text { Mean }=\frac{2+3+5+7+11}{5} \ldots \ldots \ldots . . .(\text { Here } n=5) \\ & =\frac{28}{5}=5 \frac{3}{5}=5.6 \end{aligned} $
$ \begin{aligned} & \therefore \text { Mean }=\frac{2+3+5+7+11}{5} \ldots \ldots \ldots . . .(\text { Here } n=5) \\ & =\frac{28}{5}=5 \frac{3}{5}=5.6 \end{aligned} $
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