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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