# Question

Refer to Exercise 15.16.

a. Which pairs of varieties appear to have significantly different mean yields at the α = .05 level?

b. Which pairs of planting densities appear to have significantly different mean yields at the α = .05 level?

c. Which variety appears to produce the largest mean yield?

d. Which planting density appears to produce the largest mean yield?

e. Explain what aspect of your model allows you to answer part (c) without referring to planting density?

In exercise

a. Which pairs of varieties appear to have significantly different mean yields at the α = .05 level?

b. Which pairs of planting densities appear to have significantly different mean yields at the α = .05 level?

c. Which variety appears to produce the largest mean yield?

d. Which planting density appears to produce the largest mean yield?

e. Explain what aspect of your model allows you to answer part (c) without referring to planting density?

In exercise

## Answer to relevant Questions

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