Test a Hypothesis Regarding Three or More Means Using One $\alpha = 0.05$

Multiple Choice

Test a Hypothesis Regarding Three or More Means Using One -Way ANOVA
-A medical researcher wishes to try three different techniques to lower cholesterol levels of patients with high cholesterol levels. The subjects are randomly selected and assigned to one of three groups. Group 1 is given medication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of six weeks, each subject's cholesterol level is recorded. Find the critical value F-value to test the hypothesis that there is no difference among the means. Use $\alpha = 0.05$ .

A) $3.68$
B) $19.43$
C) $4.77$
D) $39.43$