Question

The enrollment in a school during six consecutive years was as follows:
$1555,1670,1750,2013,2540,2820$
Find the mean enrollment of the school for this period.

Answer 1

The enrollment in a school during six consecutive years are as follows-

$1555,1670,1750,2540,2820$

So, Mean enrollment$=\frac{\text{Total number of enrollment in 5 years}}{n}$

$=\frac{1555+1670+1750+2013+2540+2820}{6}$

$=\frac{10335}{5}=2067$