Elementary Statistics
2nd Edition
ISBN: 9781256989868
Author: Mario Triola
Publisher: PEARSON
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Chapter 10.3, Problem 28BSC
Regression and Predictions. Exercises 13–28 use the same data sets as Exercises 13–28 in Section 10-I. In each case, find the regression equation, letting the first variable be the predictor (x) variable. Find the indicated predicted value by following the prediction procedure summarized in Figure 10-5 on page 493.
27. Sports Using the diameter/circumference data, find the best predicted circumference of a marble with a diameter of 1.50 cm. How does the result compare to the actual circumference of 4.7 cm?
| Baseball | Basketball | Golf | Soccer | Tennis | Ping-Pong | Volleyball | Softball | |
| Diameter | 7.4 | 23.9 | 4.3 | 21.8 | 7.0 | 4.0 | 20.9 | 9.7 |
| Circumference | 23.2 | 75.1 | 13.5 | 68.5 | 22.0 | 12.6 | 65.7 | 30.5 |
| Volume | 212.2 | 7148.1 | 41.6 | 5424.6 | 179.6 | 33.5 | 4780.1 | 477.9 |
28. Sports Using the diameter/volume data from the preceding exercise, find the best predicted volume of a marble with a diameter of 1.50 cm. How does the result compare to the actual volume of 1.8 cm3?
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Regression and Predictions. Exercises 13–28 use the same data sets as Exercises 13–28 in Section 10-1. In each case, find the regression equation, letting the first variable be the predictor (x) variable. Find the indicated predicted value by following the prediction procedure summarized in Figure 10-5 on page 493.
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Chapter 10 Solutions
Elementary Statistics
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