A datset is provided on a 3 factor factorial on the amount of rot on a potatoe crop. The variables are:
Type of Bacteria
Temperature level
Oxygen level
Create interaction plots (there a 3 seperate plots, Bacteria and Temp, Bacteria and Oxygen, Temp and Oxygen).
Perform F-tests and make conmclusions on what type of model you have.
Create and test/CI a main effect contrast on Bateria (1 and 2) vs. 3.
A technical training school, located in 3 cities: Atlanta, Chicago and San Fransisco, wanted to determine if there differences in student scores for the 3 locations. Two instructors were chosen from each location, and then two students chosen from each instructor. The data are located here
What design is this?
Which factors are fixed and whic random?
Obtain the ANOVA table.
Answer the research question as thorougly as possible.