Discuss the below:
Scenario: A market researcher for a consumer electronics company wants to study the television viewing habits of residents of a particular area. A random sample of 40 respondents is selected, and each respondent is instructed to keep a detailed record of all television viewing in a particular week. The results are as follows:
Viewing time per week: X = 15.3 hours, S = 3.8 hours.
27 respondents watch the evening news on at least three weeknights.
Task:
a) Construct a 95% confidence interval estimate for the mean amount of television watched per week in this area.
b) Construct a 95% confidence interval estimate for the population proportion who watch the evening news on at least 3 weeknights per week.