Using the retail data available in the resources for this chapter, examine the following research questions:

(1) Verizon consumers have a more favorable attitude than do AT&T consumers.

(2) Are consumers with a coupon willing to pay the same amount as are consumers without a coupon?

(3) Does the combination of store/phone brand and coupon influence willingness to pay (WTP_ACC)?The following table contains a guide to the file.