A study compares four groups with six observations in each group.How large does the F statistic need to be for rejecting the null hypothesis at the 5% significance level?
A)2.78
B)2.87
C)3.01
D)3.10

Question

Quizplus · Accepted Answer

The critical value for F statistic with 3 degrees of freedom in numerator and 20 degrees of freedom in denominator at 5% level of significance is 3.10. Therefore, if the calculated F statistic is greater than 3.10, we reject the null hypothesis.

A Study Compares Four Groups with Six Observations in Each