Chapter 8.1, Problem 1E

To determine

To calculate: the average on the basis of given data

Answer to Problem 1E

  $\overline{x}=30.35$

Explanation of Solution

Given:

Here are the data

50	26	26	31	57	19	24	22	23	38
13	50	13	34	23	30	49	13	15	51

Formula used:

  $\overline{x}=\frac{{\displaystyle \sum x}}{n}$

Calculation:

  $\begin{array}{c}\overline{x}=\frac{50+26+26+\mathrm{....}+13+15+51}{20}\\ =\frac{607}{20}\\ =30.35\end{array}$