Chapter 4, Problem 4.11P

Interpretation Introduction

Interpretation:

The three different cases and equation for each case that is used for the study of comparison of means has to be listed.

Concept Introduction:

Mean:

The Mean or the arithmetic mean ( $\overline{x}$) is given as the summation of measured values divided by the number of measurements (n). Mean is also called as average.

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

To List: The three different cases and equation for each case that is used for the study of comparison of means.