Testing of regression coefficient.
The owners of Major League Baseball (MLB) teams are concerned with rising salaries (as are owners of all professional sports teams). The data below provides an average salary (AVESAL) of the 30 MLB teams for the 2002 season. Also provided is the number of wins (WINS) for each team during the 2002 season. Is there evidence that teams with higher total payrolls tend to be more successful? Justify the answer.
Team
|
WINS
|
AVESAL
|
Anaheim Angels
|
99
|
2160054
|
Baltimore Orioles
|
67
|
1855318
|
Boston Red Sox
|
93
|
3633457
|
Chicago White Sox
|
81
|
1791286
|
Cleveland Indians
|
74
|
2106591
|
Detroit Tigers
|
55
|
1562847
|
Kansas City Royals
|
62
|
1832594
|
Minnesota Twins
|
94
|
1430068
|
New York Yankees
|
103
|
4902777
|
Oakland Athletics
|
103
|
1746264
|
Seattle Mariners
|
93
|
3337435
|
Tampa Bay Devil Rays
|
55
|
1131474
|
Texas Rangers
|
72
|
3123803
|
Toronto Blue Jays
|
78
|
1868356
|
Arizona Diamondbacks
|
98
|
3199608
|
Atlanta Braves
|
101
|
3166233
|
Chicago Cubs
|
67
|
2528398
|
Cincinnati Reds
|
78
|
1658363
|
Colorado Rockies
|
73
|
1848858
|
Florida Marlins
|
79
|
1506567
|
Houston Astros
|
84
|
2449680
|
Los Angeles Dodgers
|
92
|
3396961
|
Milwaukee Brewers
|
56
|
1338991
|
Montreal Expos
|
83
|
1497309
|
New York Mets
|
75
|
3192482
|
Philadelphia Phillies
|
80
|
2086812
|
Pittsburgh Pirates
|
72
|
1370088
|
St. Louis Cardinales
|
97
|
2998072
|
San Diego Padres
|
66
|
1292744
|
San Francisco Giants
|
95
|
3030571
|