The following excerpt is from a poll conducted by uinnipiac University asking who respondents would vote for in the 2D2D election. Today, President Trump's job approval is nearly identical to a week ago today, it is a negative 4D 54 percent approval rating. Last week, his approval rating was a negative 41 53 percent. Looking ahead to the 2D2D presidential election, he receives similar levels of support as his approval rating against top Democratic contenders: Biden beau Trump 51 413 percent, compared to 54 38 percent on August 23; Sanders tops Trump 49 42 percent, compared to 53 39 percent on August 28;. Warren wins against Trump 49 41 percent, compared to 52 4D percent on August 23. From October 4 T, Quinnipiac University surveyed 1,433 selfidentified registered voters nationwide with a margin of error of +}' 3.1 percentage FIOlFI'E, including the design effect. The survey includes 645 Democratic voters and independent voters who lean Democratic with a margin of error of +,.I" 4.? percentage points, including the design effect. Scurce:h 5: ||. u.edu national release-detail?ReleaselD=3643 1. Identify the sample. Be specic. 2. Identify the population. Be specic. 3. If 30% of the respondenE identified themselves as a Republican, how many Republicans took the poll? 4. Based solely on the poll, who would you predict to win. Explain your reasoning. Poll Date Warren Biden Sanders Buttiging Harris Yang O'Rourke Booker Klobuchar Castro Bennet Gabbard Steyer Spread RCP Average 9/23 - 10/7 26.6 26.4 14.6 5.6 1.4 2.8 2.0 1.4 1.2 1.0 0.8 0.8 0.6 Warren +0.2 Quinnipiac 10/4 - 10/7 29 26 16 4 3 3 1 2 2 1 1 Warren +3 Politico/Morning Consult 9/30 - 10/6 21 33 19 5 1 Biden +12 IBD/TIPP 9/26 - 10/3 27 26 10 7 1 0 Warren +1 NO Economist/YouGov 9/28 - 10/1 28 22 13 3 2 1 Warren +6 ON Monmouth 9/23 - 9/29 28 25 15 0 1 Warren +3 Politico/Morning Consult 9/23- 9/29 21 32 19 1 Biden +11 Economist/YouGov 9/22 - 9/24 27 26 16 0 Warren +1 Harvard-Harris 9/22 - 9/24 17 28 16 2 Biden +11 Emerson 9/21 - 9/23 23 25 22 0 Biden +2 JONNNO Quinnipiac 9/19 - 9/23 27 25 16 0 Warren +2 NW W N O N N The Hill/HarrisX 9/20 - 9/21 14 31 16 Biden +15 NNNN Politico/Morning Consult 9/16- 9/22 20 32 19 Biden +12 FOX News 9/15 -9/17 16 29 18 NJ 0 Biden +11 Economist/YouGov 9/14- 9/17 21 26 14 2 0 Biden +5 NBC News/Wall St. Jml 9/13- 9/16 25 31 14 5 1 1 Biden +6 SurveyUSA 9/13 - 9/16 19 33 17 Biden +14 Politico/Morning Consult 9/13 - 9/15 18 32 20 2 O Biden +12 Reuters/Ipsos 9/9 - 9/10 11 22 16 4 4 3 2 3 Biden +6 Source: https://www.realclearpolitics.com/epolls/2020/president/us/2020 democratic presidential nomination-6730.html 5. Construct a grouped frequency distribution for the Warren results. 6. Construct a stem and leaf plot for the Biden results
