Question

Question 82(iii)
In a public library, the following observations were recorded by the librarian in a particular week.
$\begin{array}{ccccccc}& & & & & & \\ \text{Days}& \text{Mon}& \text{Tue}& \text{Wed}& \text{Thur}& \text{Fri}& \text{Sat}\\ \text{Newspaper readers}& 400& 600& 350& 550& 500& 350\\ \text{Magazine readers}& 150& 100& 200& 300& 250& 200\end{array}$
What is the mean number of magazine readers?

Answer 1

Mean of readers =
$\frac{\text{Sum of all the magazine readers on six days}}{6}\frac{150+100+200+300+250+200}{6}=\frac{1200}{6}=200$