In a completely randomized experimental design, 4 experimental units were used for each of the 5 levels of the factor (i.e., 5 treatments):
Source of Variation
Sum of Squares
Degrees of Freedom
Mean Square
F
Between
Treatments
3800
Error (Within
Treatments)
27400
Total
31200
- Fill in the blanks in the following ANOVA table (There are 6 unknown numbers).
- What are the null and alternative hypotheses for this ANOVA test?
- Find the critical value of the F test at the 0.05 level of significance.
- What is the conclusion? Explain your reasoning.





