Question

the A.M of a+2,a,a_2is

Answer 1

Answer:a

Step-by-step explanation:

A.M = $\frac{sum}{total obs.}$

      =$\frac{a+2+a+a-2}{3}=\frac{3a}{3}$

       = a

Answer 2

We know that,

A.M= sum of observations/sum of observations


=a+2+a+a-2/3

=3a/3

= a


This is the answer