TABLE 7-5 The Manager of the Customer Service Division of a Major

Multiple Choice

TABLE 7-5
The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a videocassette recorder made by the company over the past 12 months are satisfied with their products.
-Referring to Table 7-5, if there are 4 different brands of videocassette recorders made by the company, the best sampling strategy would be to use a

A) systematic sample.
B) cluster sample.
C) stratified sample.
D) simple random sample.