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ID: 3041383 • Letter: C
Question
Course Home 0 Secure | https://www.mathxl.com/Student/PlayerTest.aspx?testid=176152985¢erwin;=yes : Apps P N o G Course HomeZScore top Calcula, D z score % l 1/31/18 9:58 PM Time Remaining: 00 4404 Submit Quiz This Question: 2 pts | 5 ots(4 complete) This Quiz: 25 pts possible Consider each of the situations below. Do you think the proposed sermpling method is appropriate? v e want to know what percentage of locel doctors do not eccept patents wthout medical insurance we cal the offices of 50 doctors rendomy selected from local Yellow Pages ads A. This samping method is not appropriate This method will probably result in nonresponse since some doctors will not wish to share ther business practices over the phone C. I his samping method is appropnate O B. This sampling method is not apropriate This method will probably result in undercoverage o those doctors who did nct purchase a Yelow Pages ad O D This samping mell od is nol appropna e Ths melhod will probably result ", non esponse or nose do ors who did nol purclase Ye low Pages ad. b) We wan to know what percentage of locel businesses anticipate sales to decrease in the upcoming month. We randomly select a page in the Yellow Pages and call every business listed there A. B. C. D. This samping method is not appropriate This method will probably result in response bias since the queston is worded in negatve way. I his samping method is appropnate This samping method is not appropriate The sample wil probeby contain listings for only one or two types of businesses resulting in undercoverage This samping method is not appropriate Not every business will 8swer the none resulting in nonresponse hA8 Click to select your answer Type here to search 9:58 PM 1/31/2018Explanation / Answer
a) option B is Correct because by doing this we underestimate those doctors who did not purchase yellow ads
b) Option D is Correct, not every business answers phone calls