Question

a and b are two number then mean of a and b is give answer like a formula​

Answer 1

Answer:

if a and b are two numbers, the mean of the two numbers is

$\frac{a + b}{2}$

Answer 2

Step-by-step explanation:

a and b are two variables.

So their mean = (a + b)/2

Mean Formula

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

Ex - Mean of 7 and 2 = (7 + 2)/2 = 9/2 = 4.5

Hope this helps you...