As part of a marketing experiment, a department store regularly mailed discount coupons to 25 of its credit card holders. Their total credit card purchases over the next three months were compared to their prior credit
Card purchases during the previous three months. Determine whether the samples are dependent or
Independent.
A)dependent
B)independent

Question

Quizplus · Accepted Answer

The two samples (credit card purchases over the next three months and credit card purchases during the previous three months) are dependent since they are from the same group of 25 credit card holders who received the discount coupons in the marketing experiment. The samples are dependent because the credit card holders are being compared to their own prior credit card purchases. The discount coupons are being mailed to the same individuals, so their purchasing behavior is being directly influenced by the coupons. Thus, the samples are not independent.

As Part of a Marketing Experiment, a Department Store Regularly