Question

if the sum of 15 observation is 420 then their mean find the mean

Answer 1

$mean \: \: \: \: = \frac{sum \: of \: observations}{number \: of \: observations}$


Here,


$mean \: = \frac{420}{15} \\ \\ \\ mean \: = 28$

Answer 2

hey buddy here is your answer hope you will satisfy