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Statistical Analysis: Microsoft® Excel® 2013 by Conrad Carlberg

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16. Analysis of Covariance: The Basics

The very term analysis of covariance sounds mysterious and forbidding. And there are enough ins and outs to the technique (usually called ANCOVA) that this book spends two chapters on it—as it does with t-tests, ANOVA, and multiple regression. This chapter discusses the basics of ANCOVA, and Chapter 17, “Analysis of Covariance: Further Issues,” goes into some of the special approaches that the technique requires and issues that can arise.

Despite taking two chapters to discuss here, ANCOVA is simply a combination of techniques you’ve already read about ...

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