August 2011
Beginner to intermediate
202 pages
5h 45m
English
Content preview from Business Applications of Multiple Regression
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CHAPTER 3
Multiple Regression
In the last chapter, we saw how to construct a simple regression model.
Simple regression described the linear relationship between one depen-
dent variable and a single independent variable. However, in most
business situations it takes more than a single independent variable to
explain the behavior of the dependent variable. For example, a model to
explain company sales might need to include advertising levels, prices,
competitor actions, and perhaps many more factors. This example of using
various independent variables— like advertising, price, and others— is a
good mental model to use when thinking about multiple regression.
When we wish to use more than one independent ...
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