Arkansas State University



Study Guide 5-1 (Set 1)REGRESSION1. The following data were collected on the height (inches) and weight (pounds) ofwomen swimmers: (Mary, 68 in, 132 lbs); (Sue, 64, 108); (Joyce, 62, 102); (Sally, 65,115); (Sharon, 66, 128). If a swimmer’s height is 63 inches, what would you estimate herweight to be?2. The data shown below were collected on the monthly starting salaries and the gradepoint averages for undergraduate students who had obtained a degree in political science:(John, 2.6, $1400); (Joe, 3.4, $1700); (Bill, 3.6, $2100); (Tom, 3.2, $1600); (Tim, 3.5,$2000); (Jeff, 2.9, $1700). Predict the monthly starting salary for a student with a 3.0GPA.3. Joe is interested in purchasing a pontoon boat. He found a study with data showinghow the pontoon speed in miles per hour (mph) affected fuel consumption in gallons perhour. The data is shown as follows: (6.1 mph, 2.3 gal), (10.7 mph, 4.8 gal), (20.9 mph,7.5 gal), (27.5 mph, 9.2 gal), (31.5 mph, 12.4 gal). What is the estimated fuelconsumption (in gallons per hour) if the pontoon speed is 25 mph?4. A sales manager collected data on his sales team concerning their years of experienceand annual sales in thousands of dollars. Using the following data, predict annual salesfor a salesperson with 9 years experience.(A, 1, $80), (B, 3, 97), (C, 4, 92), (D, 4, 102), (E, 6, 103), (F, 8, 111), (G, 10, 119), (H,10, 123), (I, 11, 117), (J, 13, 136)5. You work part-time for a real estate company. They know you have taken a course instatistics and ask you to predict the selling price for a home with 2700 square feet. Theyprovide you with the following data regarding the selling price of new homes and the sizeof the homes measured in terms of square footage: (A, 2500 sq ft, $124,000), (B, 2400,$108,000), (C, 1800, $92,000), (D, 3000, $146,000), (E, 2300, $110,000) ................
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