A Storeowner Wishes to Compare the Average Amount of Money

Multiple Choice

A storeowner wishes to compare the average amount of money high school and college students spend on music downloads.He randomly selects 10 students from three different student populations: high school,undergraduate,and graduate.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. What is the value of the pooled standard deviation?

A) 10.95
B) 24.60
C) 56.92
D) 120