Comparing Multiple Samples of Numerical Data 
Learning Objectives 
At the end of the module, the student will: Understand the concept and objective of twosample tests with numerical data.

The following sub modules contain summary notes for the six content topic areas of Module 4. Module 4.1: Comparing Two Independent Samples of Numerical Data 
Assignment 
Reference the data in the Table of
Product Ratings at the bottom of this page. These are
product ratings from randomly selected test market
participants using a new product after viewing five
different product advertisements. For example, the new
product was rated a 15 by the first participant viewing
Advertisement A. The rating scale is numeric with a range of
0 to 20, 20 being the highest rating. Using Microsoft Excel for the analysis, 1. Enter the data in a new spreadsheet. 
Optional Text Reading 
Anderson, D., Sweeney, D., & Williams, T. (2001). Contemporary Business Statistics with Microsoft Excel. Cincinnati, OH: SouthWestern. Chapter 10 
A 
B 
C 
D 
E 
New Data 
15 
16 
8 
5 
12 
14 
18 
17 
7 
6 
19 
13 
17 
21 
10 
13 
18 
15 
19 
16 
15 
11 
12 
9 
19 
19 
14 
9 
17 
11 
20 
17 
14 
10 
14 
13 
12 

16 


