For the following ANOVA experiments, determine the critical region(s) and critical value(s) that are used in the classical approach for testing the null hypothesis
A: Ho:µ1 =µ2 = µ3 = µ4, with n=18 and α=0.05
B: Ho:µ1 =µ2 = µ3 = µ4 = µ5, with n-15 and α=0.01
C: Ho:µ1 =µ2 = µ3, with n=25 and α=0.05