study of emergency service facilities investigated the relationship between the number of facilities and the average distance traveled to provide the emergency service. The following table gives the data collected. Number of Facilities Average Distance (miles) 9 1.67 11 1.11 16 0.84 21 0.62 27 0.50 30 0.47 a) Develop a scatter diagram for these data, treating average distance traveled as the dependent variable. 35 1.8T 1.8 1.8 1.6 1.6 1.6- 30 1.4 1.4 1.4 25 1.2 1.2 1.2- 1. 1. 1. 20 0.8 0.8 0.8 0.6- 0.4 0.6- 0.6 0.4 15 0.4 10 02 0? Distance Distance Distance
study of emergency service facilities investigated the relationship between the number of facilities and the average distance traveled to provide the emergency service. The following table gives the data collected. Number of Facilities Average Distance (miles) 9 1.67 11 1.11 16 0.84 21 0.62 27 0.50 30 0.47 a) Develop a scatter diagram for these data, treating average distance traveled as the dependent variable. 35 1.8T 1.8 1.8 1.6 1.6 1.6- 30 1.4 1.4 1.4 25 1.2 1.2 1.2- 1. 1. 1. 20 0.8 0.8 0.8 0.6- 0.4 0.6- 0.6 0.4 15 0.4 10 02 0? Distance Distance Distance
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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![A statistical program is recommended.
A study of emergency service facilities investigated the relationship between the number of facilities and the average distance traveled to provide the emergency service. The following table gives the data collected.
Number of
Facilities
Average
Distance
(miles)
9
1.67
11
1.11
16
0.84
21
0.62
27
0.50
30
0.47
(a) Develop a scatter diagram for these data, treating average distance traveled as the dependent variable.
35
1.8T
1.8
1.8
1.6
1.6
1.6-
30
1.4
1.4
1.4
25
1.2
1.2
1.2
1.
1.
1.
20
0.8
0.8
0.8
15
0.6
0.6
0.6
..
0.4
0.4
0.4
10
0.2
0.2
0.2
0.
0.
0.
0.
0.2 0.4 0.6 0.8 1.
1.2 1.4 1.6 1.8
10
15
20
25
30
35
5
10
15
20
25
30
35
5
10
15
20
25
30
35
Distance
Number
Number
Number
(b) Does a simple linear regression model appear to be appropriate? Explain.
O No, the scatter diagram suggests that there is a curvilinear relationship.
O No, the scatter diagram suggests that there is no relationship.
O Yes, the scatter diagram suggests that there is a linear relationship.
(c) Develop an estimated regression equation for the data of the form ý = b, + b,x + b,x: a second-order model with one predictor variable. (Round your numerical values to four decimal places.)
Number](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fab0c277e-0eb4-4ef9-8c96-fc1557333ba7%2Fa8c6a69e-7532-41ed-ab4e-7ef968ca45fa%2Fkl5aomp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A statistical program is recommended.
A study of emergency service facilities investigated the relationship between the number of facilities and the average distance traveled to provide the emergency service. The following table gives the data collected.
Number of
Facilities
Average
Distance
(miles)
9
1.67
11
1.11
16
0.84
21
0.62
27
0.50
30
0.47
(a) Develop a scatter diagram for these data, treating average distance traveled as the dependent variable.
35
1.8T
1.8
1.8
1.6
1.6
1.6-
30
1.4
1.4
1.4
25
1.2
1.2
1.2
1.
1.
1.
20
0.8
0.8
0.8
15
0.6
0.6
0.6
..
0.4
0.4
0.4
10
0.2
0.2
0.2
0.
0.
0.
0.
0.2 0.4 0.6 0.8 1.
1.2 1.4 1.6 1.8
10
15
20
25
30
35
5
10
15
20
25
30
35
5
10
15
20
25
30
35
Distance
Number
Number
Number
(b) Does a simple linear regression model appear to be appropriate? Explain.
O No, the scatter diagram suggests that there is a curvilinear relationship.
O No, the scatter diagram suggests that there is no relationship.
O Yes, the scatter diagram suggests that there is a linear relationship.
(c) Develop an estimated regression equation for the data of the form ý = b, + b,x + b,x: a second-order model with one predictor variable. (Round your numerical values to four decimal places.)
Number
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