One Way ANOVA Sum of Squares Exercise 1

A physician is testing the absorption rate of a new topical patch for her patients. The tests are run using a special material that resembles human skin tissue. Two sizes of the patch are under investigation: 2 and 6 square centimeters.

Use the file Absorption.mtw

Perform a One Way ANOVA on the data.

1. Show a chart that indicates the variation of each factor setting average (A- & A+) around the average of all observations (grand average)
2. Show the variation of the individual observations around the average of each factor setting
3. What is the Total Sum of Squares?
4. What is the Factor Sum of Squares?
5. What is the Error Sum of Squares?