Exhibit 13-7
the Following Is Part of an ANOVA Table $\alpha$

Essay

Exhibit 13-7
The following is part of an ANOVA table, which was the results of three treatments and a total of 15 observations.
-Three universities administer the same comprehensive examination to the recipients of MS degrees in psychology. From each institution, a random sample of MS recipients was selected, and these recipients were then given the exam. The following table shows the scores of the students from each university.
At $\alpha$ = 0.01, test to see if there is any significant difference in the average scores of the students from the three universities. (Note that the sample sizes are not equal.)