Answer
The population consists of all the major-appliance shoppers. The sample consists of the 961 major-appliance shoppers that were surveyed.
Work Step by Step
The question of interest is how many major-appliance shoppers bought extended warranties. Therefore, the population is all the major-appliance shoppers. The sample, which is a subset of the population, is the 961 major-appliance shoppers that participated in the survey.