a sociologist wants to estimate the average number of hours per week american adults spend watching television. a random sample of 400 adults are selected from lexington, ky and record the number of hours each watch tv per week. the sample yields a mean of 17 .1 hours.

What is the response variable? What type of variable is the response? What is the parameter interested in this survey? Is 17.1 hours per week, a statistic or a parameter? Describe the population of interest in terms of this survey. Describe the sample in terms of this survey.