For Exercises 15.1 to 15.3, see pages 15-6 to 15-7; for 15.4 to 15.6, see page 15-10; for 15.7, see pages 15-12 to 15-13; for 15.8 to 15.10, see page 15-15; for 15.11, see page 15-16; for 15.12 and 15.13, see page 15-18; and for 15.14 to 15.16, see pages 15-20 to 15-21.
15.9 Customers’ preferences for packaging.
Exercise 15.2 (page 15-6) describes the setting for a two-way ANOVA design that compares different types of buyers (impulse or not) and the color of sales tags. Give the degrees of freedom for each of the statistics that are used to test the main effects and the interaction for this problem.
15.9
For the tag color main effect, . For the impulse main effect, . For the interaction effect, .