This question was created from STAT200_ Quiz1_Answer_sheet
This question was created from STAT200_ Quiz1_Answer_sheet https://www.coursehero.com/file/14533774/STAT200-Quiz1-Answer-sheet/
Name the sampling method used in each of the following situations: a. The Democratic National Committee wants to know the reaction of Independent voters to a debate between Hillary Clinton and Donald Trump. The day after the debate, the DNC polling staff calls 1,000 randomly selected phone numbers. If a registered Independent voter answers the phone or is available to come to the phone, the voter is asked whom he or she intends to vote for and whether the debate changed his or her opinion of the candidates. b. American Express is giving away free tickets to Beyoncé’s Formation World tour and a meet-and-greet with Beyoncé and Jay Z. Beyoncé wants to make sure that there are winners from every major city she is touring in, so her manager randomly selects two winners from the fan club of each city where her tour stops. c. Instagram wants to determine what proportion of their users are college students. An analyst creates a code that will look for college affiliation in every third Instagram account. d. Your stats professor wants to know if her online students are putting off their homework to the last minute, so at the beginning of the week, she randomly selects students with last names that start with C and S, and then asks them to present the solution to the first homework problem in the discussion forum. e. The head of student services at the UMUC College Park campus is handing out questionnaires to UMUC students asking them to evaluate the tutoring services offered on campus. She does not ask students who are hurrying to get to classes, but instead asks all students who are sitting around waiting for their next class. Answer: Work:
