Question: A fast food chain, YummyStuff, wants to introduce a new product. They select a city that has 16 YummyStuff stores to be a test market. The advertisers have developed two different in-store advertising campaigns to promote the new product. One is designed to stress convenience and Rm. The other is designed to stress value. From previous studies it is known that the median income of the neighborhoods surrounding the eight stores east of

Main Street

is 50% higher than the median income from the neighborhoods surrounding the eight stores west of

Main Street

.

(A)Describe an experimental design that would test the effectiveness of each campaign as measured by total sales volume in dollars. Be specific in your explanation. You may use diagrams as part of your explanation.

(B)Describe a possible confounded variable and explain why it is a confounded variable.

(C) Explain what type of hypothesis test you would use to determine which campaign was most effective?