An experiment is done as a 3 × 5 ANOVA and the experiment is replicated twice. How large should the F statistic be to reject the null hypothesis for the interaction at the .05 level?
A)1
B)3.22
C)2.64
D)None of the above

Question

Quizplus · Accepted Answer

The F statistic for interaction in a 3 × 5 ANOVA with replication twice would have degrees of freedom for interaction as (3-1)*(5-1)=8 and for error as (3*5-1)*(2-1)=14. Using an F-distribution table, the critical value at the .05 level for F(8,14) is approximately 2.64.

An Experiment Is Done as a 3 × 5 ANOVA