The Pew Research Center asked 2143 U.S. adults and 1055 college presidents to "rate the job the higher education system is doing in providing value for the money spent by students and their families" as Excellent, Good, Only Fair, or Poor. Respondents were also able to choose "Don't Know/Not Available" (abbreviated "DK/NA"). A mosaic plot of the results is given. Complete parts a through d below. Click the icon to view the mosaic plot. a) From the mosaic plot, about what percent of the respondents were college presidents? % (Type a whole number.) lit View History Bookmarks Profiles Tab Window He work Homework Help - Q&A from Or x + tructure.com/courses/171830/assignments/1470911?return_to=htt | 23 2/10/23, 6:30 PM Provide Value 1.0- 0.8- ment 0.6- 0.4- nts 0.2 Cour Vital 0.0- Adults Presidents Group Provide Value Excellent Good Only Fair Poor DK/NA Mosaic plot