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Elementary Statistics Using SAS
book

Elementary Statistics Using SAS

by Sandra D. Schlotzhauer
May 2015
Intermediate to advanced content levelIntermediate to advanced
560 pages
11h 17m
English
SAS Institute
Content preview from Elementary Statistics Using SAS

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 ...
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Publisher Resources

ISBN: 9781607643791