Discussion of Exam 1 and Unit A Projects

Anaysis of Variance Model - See Google Drive\2ePowerPoint\Sec 5.1-2R

Review of two sample pooled t test

One-way ANOVA Model

One-way ANOVA Table

Source of Variation Sum of Squares d.f. Mean Square F-Statistic p-value

Treatments/Model (Between Groups)

SSTr k-1 MSTr MSTr/MSE  
Error (Within Groups) SSE N-k MSE    
Total SSTO N-1      

Example with RStudio

In class exercises

Please read Chapter 5 and Section 6.1 for class on Wednesday.