A clothing store chain is having a sale based on the use of a coupon The company is interested in knowing whether the wording of the coupon affects the number of units of the product purchased by customers The company created four coupons for the same product, each with different wording Four group...

a There are four treatments with 50 customers in each Thus n 200 and k 4 Between df for the numerato ...

A clothing store chain is having a sale based on the use of a coupon. The company

Question:

A clothing store chain is having a sale based on the use of a The company is interested in knowing whether the wording of the affects the number of units of the product purchased by customers. The company created four coupons for the same product, each with different wording. Four groups of 50 customers each were selected at random. Group 1 received the first version of the Group 2 received the second version; and so on. The units of the product purchased by each customer were recorded. The following ANOVA table contains some of the values from the analysis.

Assume that the four populations are normally distributed with equal variances.
a. Find the missing values and complete the ANOVA table.
b. What are the appropriate null and alternative hypotheses for this analysis? Using Î± = .05, what is your conclusion about the equality of population means for all four coupons?

Coupon
A coupon or coupon payment is the annual interest rate paid on a bond, expressed as a percentage of the face value and paid from issue date until maturity. Coupons are usually referred to in terms of the coupon rate (the sum of coupons paid in a...