Chapter 25, Problem 20E

a.

To determine

State the null and alternative hypotheses.

b.

To determine

Explain what does the ANOVA table convey about the null hypothesis in terms of protein content and shelves.

c.

To determine

Is it possible to conclude that the cereals placed on the shelf 2 have a lower mean protein content that the cereals placed on the shelf 3.

Is it possible to conclude that the cereals placed on the shelf 2 have a lower mean protein content that the cereals placed on the shelf 1.

Give the conclusion.

d.

To determine

Identify what does the give information say about the questions given in part (c).