Question

find the mean of first 10 prime numbers

Answer 1

First 10 prime numbers = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29

Mean = $\frac{2+3+5+7+11+13+17+19+23+29}{10} = \frac{129}{10}=12.9$

Mean is 12.9

Answer 2

first five prime numbers= 2, 3, 5, 7, 11, 13, 17, 19, 23, 29
its mean= 2+3+5+7+11+13+17+19+23+29/10
             =129/10= 12.9