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Regression Analysis by J. Holton Wilson, Barry P. Keating

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Chapter 4

Evaluation of Ordinary Least Squares (OLS) Regression Models

Chapter 4 Preview

When you have completed reading this chapter you will be able to:

• Identify the four steps involved in evaluating a simple regression model.

• Evaluate whether a simple regression model makes logical sense.

• Check for statistical significance of a slope term.

• Identify when it is appropriate to use a one-tailed versus a two-tailed hypothesis test.

• Evaluate the explanatory power of a simple regression model.

• Check for serial correlation in simple regression models with time-series data.

Introduction

At this point, you are familiar with the basics of OLS regression analysis and how to perform it in Excel. In this chapter, you will learn a relatively ...

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