TABLE 1-1
The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a DVD player made by the company over the past 12 months are satisfied with their products.
-Referring to Table 1-1, the population of interest is
A) all the customers who have bought a DVD player made by the company over the past 12 months.
B) all the customers who have bought a DVD player made by the company and brought it in for repair over the past 12 months.
C) all the customers who have used a DVD player over the past 12 months.
D) all the customers who have ever bought a DVD player made by the company.

Question

Quizplus · Accepted Answer

The manager is interested in determining the satisfaction of customers who have purchased a DVD player made by the company over the past 12 months, therefore the population of interest is all the customers who have bought a DVD player made by the company over the past 12 months. Option B is only considering the customers who brought their DVD player in for repair, which is a subset of the total population. Option C includes all customers who have used a DVD player, which is not the population of interest for this study. Option D includes all customers who have ever bought a DVD player made by the company, which is a much larger population than the one of interest.

TABLE 1-1 The Manager of the Customer Service Division of a Major