Treatment 1 Treatment 2 Treatment 3 n = 10 n = 10 n = 10 N = 30

T = 10 T = 20 T = 30 G = 60

SS = 27 SS = 16 SS = 23 ∑X2 = 206

A study comparing three different treatment conditions is summarized above. Is there a significant difference between any of the treatment groups?

State the null and alternate hypotheses (10 points)
Identify the critical F value (5 points)
Calculate the test F value (must show calculations for SS total, SS between groups, SS within groups, MS between groups, MS within groups) (15 points)
State your conclusion about the null hypothesis. (5 points)
What percentage of variance is explained by treatment condition? (5 points - show all calculations).