A storeowner wishes to compare the average amount of money high school and college students spend on CDs. He randomly selects ten students from three different student populations: high school students, undergraduate students, and graduate students. The statistical assumptions required to perform a one-way ANOVA to compare the means of these three groups are reasonable based on the data. A partially completed ANOVA table is provided below:
Source Sum of Squares DF Mean Square F
Groups
Error 3240
Total 4450