Question $21$

$[$Eppie$]$ Eppie's Used Cars wanted to test whether straight price discounting worked better

than a free gift. It ran two different commercials on alternate Wednesdays. The first offered

$10$ percent off the Kelley Blue Book price for any foyr$-$wheel$-$drive vehicle on the lot while the

second offered a free tent with the purchase of any four$-$wheel$-$drive vehicle at the Kelley

Blue Book price. The type of offer was the

responded to each type was the

increasing traffic.

variable, which would suggest the best strategy for

marketing; dependent

control: independent

dependent; independent

dependent; control

independent; dependent