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A Gentle Introduction to Statistics Using SASⓇ Studio
book

A Gentle Introduction to Statistics Using SASⓇ Studio

by Ron Cody
September 2019
Beginner content levelBeginner
236 pages
5h 33m
English
SAS Institute
Content preview from A Gentle Introduction to Statistics Using SASⓇ Studio

Chapter 8: Two-Sample Tests

Introduction

Getting an Intuitive Feel for a Two-Way t Test

Unpaired t Test (t Test for Independent Groups)

Describing a Two-Sample t Test

Nonparametric Two-Sample Tests

Paired t Test

Conclusion

Chapter 8 Exercises

Introduction

There are two classes of two-sample tests that you will see in this chapter. One is an unpaired t test (also called a t test for independent groups) that is used to compare means between two groups. The other type of two-sample t test is a paired t test. Commonly, a paired t test is performed when each subject is measured twice, typically before and after some treatment. It can also be used when experimental units are paired on certain characteristics such as gender and age before the experiment, ...

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Publisher Resources

ISBN: 9781642955347