Question

What is the formula to calculate
mean.​

Answer 1

Answer:

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

which is the required ans

Answer 2

Answer:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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