1.
perform Levene’s test for equal variance. Note, this is a
one‐way ANOVA testing for the equality of 16 variances (each
combination of promotion/discount). 0.1 signigicance
2. perform 2-way anova with replication
To answer these questions, an experiment was designed
using laundry detergent pods. For ten weeks, 160 subjects received
information about the products. The factors under consideration
were the number of promotions (1, 3, 5, or 7) that were described
during this ten‐ week period and the percent that...