Pearson eText Business Statistics: First Course -- Instant Access (Pearson+)
8th Edition
ISBN: 9780136880974
Author: David Levine, David Stephan
Publisher: PEARSON+
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The U.S. Postal Service is attempting to reduce the number of complaints made by the public against its workers. To facilitate this task, a staff analyst for the service regresses the number of complaints lodged against an employee last year on the hourly wage of the employee for the year. The analyst ran a simple linear regression in SPSS. The results are shown below.
What proportion of variation in the number of complaints can be explained by hourly wages?
From the results shown above, write the regression equation
If wages were increased by $1.00, what is the expected effect on the number of complaints received per employee?
Professional basketball has truly become a sport that generates interest among fans around the world. More and more players come from outside the United States to play in the National Basketball Association (NBA). You want to develop a regression model to predict the number of wins achieved by each NBA team, based on field goal (shots made) percentage and three-point field goal percentage. The data are stored in NBA.xlsx .
TEAM
Wins
Field Goal %
Three-Point Field Goal %
Points Per Game
Rebound
Freedraw
Turnover
Houston Rockets
65
46
36.2
112.4
43.5
19.6
13.8
Toronto Raptors
59
47.2
35.8
111.7
44
17.3
13.4
Golden State Warriors
58
50.3
39.1
113.5
43.5
16.6
15.4
Boston Celtics
55
45
37.7
104
44.5
16
14
Philadelphia 76ers
52
47.2
36.9
109.8
47.4
17.1
16.5
Cleveland Cavaliers
50
47.6
37.2
110.9
42.1
18.1
13.7
Portland Trail Blazers
49
45.2
36.6
105.6
45.5
16.7
13.5
Indiana Pacers
48
47.2
36.9
105.6
42.3
14.9
13.3
New Orleans Pelicans
48
48.3
36.2
111.7
44.3
16.1
14.9…
Professional basketball has truly become a sport that generates interest among fans around the world. More and more players come from outside the United States to play in the National Basketball Association (NBA). You want to develop a regression model to predict the number of wins achieved by each NBA team, based on field goal (shots made) percentage and three-point field goal percentage. The data are stored in NBA.xlsx .
TEAM
Wins
Field Goal %
Three-Point Field Goal %
Points Per Game
Rebound
Freedraw
Turnover
Houston Rockets
65
46
36.2
112.4
43.5
19.6
13.8
Toronto Raptors
59
47.2
35.8
111.7
44
17.3
13.4
Golden State Warriors
58
50.3
39.1
113.5
43.5
16.6
15.4
Boston Celtics
55
45
37.7
104
44.5
16
14
Philadelphia 76ers
52
47.2
36.9
109.8
47.4
17.1
16.5
Cleveland Cavaliers
50
47.6
37.2
110.9
42.1
18.1
13.7
Portland Trail Blazers
49
45.2
36.6
105.6
45.5
16.7
13.5
Indiana Pacers
48
47.2
36.9
105.6
42.3
14.9
13.3
New Orleans Pelicans
48
48.3
36.2
111.7
44.3
16.1
14.9…
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