a One or two very low scores in each sample suggest that the underlying populations might not be normally distributed as required by the F test in ANOVA b Research Problem Does the type of background music tend to influence the scores of college students on a reading comprehension test Statistical Hypotheses H0 Population dist 1 Population dist 2 Population dist 3 H1 H0 is false Decision Rule Reject H0 at 05 level if H 599 given df 2 Calculations 075 Decision Retain H0 at 05 level of signi