10/21/2026

Anaysis of Variance Model

• See GoogleDrive\Stat206-DataAnalysis-F2026\2ePowerPoint\Sec 5.1-2R

Review of two sample pooled t test

One-way ANOVA Model

• Balanced data
• Unbalance data
• Completely randomized design
• Observational study
• Models
• One-way Sum of Squares Identity
  • SSTO = SSTR + SSE

Examples with RStudio

• See My Drive\!Class Material\4Exams.R - This is the example that is used in the PPT slides for Chapters 5 and 6
• See GoogleDrive\Stat206-DataAnalysis-F2026\2eMarkkdown\Sec5.1.Rmd
• See GoogleDrive\Stat206-DataAnalysis-F2026\2eMarkkdown\Sec5.2.Rmd

Please read Chapter 5 for class on October 30

We will have our next problem session for Chapter 5 exercises on November 2.