Question

find the Arithmetic mean of first 8 prime number​

Answer 1

SOLUTION:

1st 8 prime number are 2,3,5,7,11,13,17 and 19.

$= mean ,\: (x) = \frac{sum \: of \: the \: observation}{total \: number \: of \: observation} \\ = x = \frac{(2 + 3 + 5 + 7 + 11 + 13 + 17 + 19)}{8} \\ = x = \frac{77}{8} \\ = x = 9.625 \: (answer)$

So, means of first 8 prime number = 9.625