Use the following to answer questions 2-12. A high school principal wanted to know if there was a difference in absences for 9th grade, 10th grade, 11th grade, or 12th grade among students with less...

Use the following to answer questions 2-12.

A high school principal wanted to know if there was a difference in absences for 9th grade, 10th grade, 11th grade, or 12th grade among students with less than a 2.0 GPA.  She took a random sample of n = 5 students from each grade and compared absences among the four grades using ANOVA.  The data are below:

5. Calculate the Sum of Squares Between Groups (SS_BG)

7. Calculate Mean Square Between Group (MS_BG)

8. Calculate Mean Square Within Group (MS_WG)