Chapter 7 Comparing Paired Groups
Are students’ grades on an achievement test higher after they complete a special course on how to take tests? Do employees who follow a regular exercise program for a year have lower resting pulse rates than they had when they started the program?
These questions involve comparing paired groups of data. The variable that classifies the data into two groups should be nominal. The response variable can be ordinal or continuous, but must be numeric. This chapter discusses the following topics:
- deciding whether you have independent or paired groups
- summarizing data from paired groups
- building a statistical test of hypothesis to compare the two groups
- deciding which statistical test to use
- performing statistical ...
Get Elementary Statistics Using SAS now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
