4/1/2020

Problem Session Exercises

• 7.38 on pp. 339-340
• 8.5 on p. 400
• 8.26 on p. 403

Zoom room breakout discussion

• What are the primary differences and similarities between ANOVA models in Unit B and the regression models that we discussed in Unit A?

Chapter 8 Additonal Topics in ANOVA

Homogeneity of variances (see Sec 8.1R)

• Levene's test

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 Stat206 - Apr 1, 2020.pdf for a diagram of the methods.
• Use the data in Google Drive\Stat206-S2020\baseball.csv to see if there is a significant difference in these three methods.
• What method would you recommend?

Discussion of Unit B Projects

Please read Sections 8.7 and 8.8 for class on Friday.