11/12/2025

Chapter 8 Additonal Topics in ANOVA - Overview

Multiple Comparisons (see Sec 8.2R)

Contrasts (see Sec 8.3R)

• Estimation
• Inference

Nonparametric ANOVA (see Sec 8.4R)

• The average time it took baseball players to run from a point on the first base line to a point just short of second base is recorded for three different methods (round out, narrow angle, and wide angle).
• See GoogleDrive\Stat206-DataAnalysis-F2025\!Class Material\Stat206 - Rounding_First_Base.pdf for a diagram of the methods.
• Use the data in See GoogleDrive\Stat206-DataAnalysis-F2025\!Class Material\baseball.csv to see if there is a significant difference in these three methods.
• What method would you recommend?

ANOVA and Regression with Indicators (see Sec8.7R) - Questions

Analysis of Covariance models (see Sec8.8R)

Lab time for class exercises

• 8.3, 8.7, 8.8, 8.15, 8.19, 8.21, 8.23, 8.54, 8.62
• Apply the Kruskal-Wallis procedure to the data on cuckoo eggs (Cuckoo) in Exercise 8.27 on p. 403
• Apply Friedman's procedure to the popcorn data (Popcorn) in Exercise 6.38 on p. 298

We will have a problem session on Friday.

Please read Sections 9.1 and 9.2 for class on Monday, Nobember 17.