Information regarding the ACT scores of samples of students in three different majors is given below.
a.Compute the overall sample mean .
b.Set up the ANOVA table for this problem including the test statistic.
c.At 95% confidence, determine the critical value of F.
d.Using the critical value approach, test to determine whether there is a significant difference in the means of the three populations.
e.Determine the p-value and use it for the test.
Correct Answer:
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b.
d. Since 0.989 < 3.32,...
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