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Regression and Predictions. Exercises use the same data

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 13BSC Chapter 10.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 13BSC

Problem 13BSC    

Regression and Predictions. Exercises use the same data sets as Exercises in Section 10-2. 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.

Figure

Lemons and Car Crashes Find the best predicted crash fatality rate for a year in which there are 500 metric tons of lemon imports.

Lemon Imports

230

265

358

480

530

Crash Fatality Rate

15.9

15.7

15.4

15.3

14.9

Step-by-Step Solution:
Step 1 of 3

Problem 13BSC

Answer:

Step1 of 3:

We have  Exercises use the same data sets as Exercises in Section 10-2. In each case, find the regression equation, letting the first variable be the predictor (x) variable.

Lemon Imports

230

265

358

480

530

Crash Fatality Rate

15.9

15.7

15.4

15.3

14.9

Step2 of 3:

We need to Find the indicated predicted value by following the prediction procedure summarized in Figure and  Find the best predicted crash fatality rate for a year in which there are 500 metric tons of lemon imports.

Step3 of 3:

Consider,

 Lemon Imports(x)

Crash Fatality Rate(y)

xy

230

15.9

3657

52900

252.81

265

15.7

4160.5

70225

246.49

358

15.4

5513.2

128164

237.16

480

15.3

7344

230400

234.09

530

14.9

7897

280900

222.01

1863

77.2

28571.7

= 762589

1192.56

The equation of the...

Step 2 of 3

Chapter 10.3, Problem 13BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Regression and Predictions. Exercises use the same data

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