14 Analysis of Variance

Overview

What Are We Assuming?

One-Way ANOVA

Does the Sample Satisfy the Assumptions?

Factorial Analysis for Main Effects

What if Conditions Are Not Satisfied?

Including a Second Factor with Two-Way ANOVA

Evaluating Assumptions

Interaction and Main Effects

Application

Overview

Previous chapters introduced the concept of bivariate inference and the idea of a response and factor variables. In Chapter 12, we worked with two categorical variables and in Chapter 13, we worked with a continuous response and a dichotomous factor (to represent two independent samples). This chapter introduces several techniques that we can use when we have a continuous response variable and one or more categorical factors that may have several ...

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