Chapter 4.6, Problem 37SR

To determine

To find:The mean of the number of customers.

Answer to Problem 37SR

The mean of number of customers is $40$ .

Explanation of Solution

Given:

36, 45, 41, and 38 customers for the last four days.

Calculation:

To find the mean of a set of numbers, find the sum of the numbers and then divide by the number of items in the set.

  $\text{Mean}=\frac{\text{Sum of all number}}{\text{Total number of items}}$

Here, total number of items is 4.

  $\text{Mean}=\frac{36+45+41+38}{4}$

  $\begin{array}{l}=\frac{160}{4}\\ =40\end{array}$

Conclusion:Hence, the mean of number of customers is $40$ .