Answer:
see explanation
Step-by-step explanation:
The mean is calculated as
mean = [tex]\frac{sum}{count}[/tex] = [tex]\frac{5+7+9}{3}[/tex] = [tex]\frac{21}{3}[/tex] = 7
Step-by-step explanation:
given, the numbers are 5,7,9.
now , N=3 and sum of x= 21
by formula,
mean = sum of x/N
or , mean = 21/3
=7....is answer
hope its helpful..
