The accompanying data are a subset of data from the report “Great Jobs, Great Lives” (Gallup-Purdue Index 2015 Report, gallup.com/reports/197144/gallup-purdue-index-report-2015.aspx). The values are approximate values read from a
- a. Find the equation of the least-squares line that would allow you to predict the percentage of alumni who would strongly agree that their education was worth the cost, using ranking as the independent variable.
- b. Predict the percentage of alumni who would strongly agree that their education was worth the cost for a university with a ranking of 50.
- c. Explain why it would not be a good idea to use the least-squares line to predict the percentage of alumni who would strongly agree that their education was worth the cost for a university that had a ranking of 10.
Trending nowThis is a popular solution!
Chapter 5 Solutions
INTRODUCTION TO STATISTICS & DATA ANALYS
Additional Math Textbook Solutions
STATS:DATA+MODELS-W/DVD
Basic Business Statistics, Student Value Edition
Introductory Statistics
Statistics for Engineers and Scientists
Elementary Statistics Using The Ti-83/84 Plus Calculator, Books A La Carte Edition (5th Edition)
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt