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Chapter 8
REGRESSION AND CORRELATION
Objectives
In this chapter you will learn to:
Fit a regression line and interpret the coeffi cients
Understand regression statistics
Use residuals to check the validity of the assumptions needed for
statistical inference
Calculate and interpret correlations and their statistical signifi cance
Understand the relationship between correlation and simple
regression
Create a correlation matrix and apply hypothesis tests to the
correlation values
Create and interpret a scatter plot matrix
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