Question

find the mean of the numbers 2,9,3&6​

Answer 1

Step-by-step explanation:

Mean = sum of observation / total no of observation

= 2 + 9+ 3 + 6 / 4

= 20 / 4

= 5

Answer 2

$mean = \frac{sum \: of \: the \: observations}{no. \: of \: observations} \\ \\ = \frac{2 + 9 + 3 + 6}{4} \\ \\ = \frac{20}{4 }\\ \\ mean \: = 5$