Question: Question 8 (8 points) In a completely randomized experimental design, 6 experimental units were used for each of the 4 levels of the factor (i.e.,

Question 8 (8 points)

In a completely randomized experimental design, 6 experimental units were used for each of the 4 levels of the factor (i.e., 4 treatments):

Source of Variation Sum of Squares Degrees of Freedom Mean Square

Between Treatments 2434220 3 811406.7

Error (Within Treatments)3883910 20 194195.5

Total 6318130 23

1.What is the null and alternative hypothesis for this ANOVA test? (2 Points)

2.Calculate the F test statistic. (2 Points)

3.What is the rejection rule for the F test at the 0.05 level of significance? (2 Points)

4.What is the conclusion of the F test? Please give reason. (2 Points)

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