91Ó°ÊÓ

13.19 What does the term one-way signify in the phrase one-way$ANOVA$?

We stated earlier that a one-way ANOVA test is always right-tailed because the null hypothesis is rejected only when the test statistic, $F$, is too large. Why is the null hypothesis rejected only when $F$ is too large?

Fill in the missing entries in the partially completed one-way ANOVA tables.

Fill in the missing entries in the partially completed one-way ANOVA tables.

An $F$-curve has df $=(12,7)$. What is the number of degrees of freedom for the

a. numerator?

b. denominator?

State the four assumptions for one-way ANOVA, and explain how those assumptions can be checked.