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)