1) Write the sample unit, target population, sample frame, and sample design for the following examples:

1A)A cable television company wants to measure the satisfaction of its customers. To do so, it mails a questionnaire to 800 selected households. Assume that all 800 households return the questionnaire. For this survey, we will focus on the question, Overall, are you satisfied with the cable service we provide?"

1B) An auto analyst is conducting a satisfaction survey, sampling from a list of 10,000 new car buyers. The list includes 2,500 Ford buyers, 2,500 GM buyers, 2,500 Honda buyers, and 2,500 Toyota buyers. The analyst selects a sample of 400 car buyers, by randomly sampling 100 buyers of each brand.