If our experiment had three groups (e.g., placebo, new drug #1, new drug #2), we might want to know whether the mean systolic blood pressure at baseline differed among the three groups?

If our experiment had three groups (e.g., placebo, new drug #1, new dr

1.	If our experiment had three groups (e.g., placebo, new drug #1, new drug #2), we might want to know whether the mean systolic blood pressure at baseline differed among the three groups?
A.	Kruskal-Wallis test
B.	ANOVA
C.	chi square test
D.	a or b
Answer» E.