MATH 120: INTRODUCTION TO STATISTICS WEEK 8 FINAL EXAM

An automobile producing company operates car dealerships that sell its cars. In order to assess the service costumers get at the dealerships a team from the Customer Relationship Department was assembled. The team was sent to 20 randomly selected dealerships. Each dealership was visited once by the team for an entire working day. During a visit the team interviewed all the customers that arrived at that dealership. One of the questions that each of the customers were asked is: "Do you currently possess a car made by our company?" The answers were marked down as "Yes", "No", or "Refuse to Answer", depending on the customer's response. - Select the correct answer in each of the following 4 questions: The population in this survey is: - a. The researchers that conducted the survey. b. Customers that arrive at dealerships of the company. CORRECT c. The automobile producing company. d. Owners of cars that are produced by the company. The sample in this survey is: - a. The team that conducted the survey. b. Customers that arrive at dealerships of the company. c. "Yes", "No", or "Refuse to Answer". d. Customers that arrive at the selected dealerships during the day of visit. CORRECT A parameter that may be targeted by this survey is: - a. The percentage of costumers that possess a car made by the company. CORRECT b. Customers that arrive at the selected dealerships during the day of visit. c. "Yes", "No", or "Refuse to Answer". d. Owners of cars that are produced by the company. A statistic that may be used to summarize the outcome of the survey is: - a. "Yes". b. The percentage, among costumers that were interviewed, of those that do not possess a car made by the company CORRECT c. Customers that arrive at the selected dealerships during the day of visit. d. The team that conducted the survey.