Test a Hypothesis Regarding Three or More Means Using One $\alpha = 0.01$

Multiple Choice

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA
-A researcher wishes to determine whether there is a difference in the average age of middle school, high school, and college teachers. Teachers are randomly selected. Their ages are recorded below. Find the critical value F-value to test the hypothesis that there is no difference in the average age of each group. Use $\alpha = 0.01$ .

A) 6.363
B) 5.09
C) 9.43
D) $5.42$