Question
Professional athletes in North America are paid very well for their ability to play games. To determine the factors that influence a team to pay
Professional athletes in North America are paid very well for their ability to play games. To determine the factors that influence a team to pay a hockey player's salary, 50 hockey players were selected randomly. The salaries at the end of the season, as well as the following performance measures for the season were recorded for each player: games played, goals scored, assists, plus/minus score, and penalty minutes. The data is given in the data file below.
Perform a regression analysis and provide the answers to the following questions in an MS Excel file, then upload the MS Excel file.
Questions:
1. Is the regression model valid? Provide a brief explanation.
2. Would you recommend any independent variables be removed from the model, and explain why? (Do not re-run the model, simply identify which variable(s) you would remove and analyze further.)
Games Played | Goals Scored | Assists | Plus/Minus Score | Penalty minutes | Salary |
84 | 58 | 79 | 33 | 44 | 3,214,520 |
78 | 19 | 63 | 38 | 40 | 2,500,000 |
80 | 54 | 47 | -27 | 41 | 2,200,000 |
82 | 41 | 56 | 12 | 81 | 1,400,000 |
84 | 36 | 29 | -4 | 148 | 1,150,000 |
81 | 25 | 41 | 15 | 169 | 900,000 |
60 | 3 | 31 | 22 | 22 | 800,000 |
64 | 31 | 35 | 29 | 28 | 725,000 |
60 | 1 | 14 | 21 | 71 | 700,000 |
77 | 4 | 15 | 3 | 55 | 685,000 |
80 | 13 | 47 | 5 | 63 | 600,000 |
63 | 23 | 21 | 10 | 43 | 600,000 |
45 | 3 | 10 | 17 | 28 | 600,000 |
77 | 25 | 52 | -1 | 32 | 570,000 |
80 | 22 | 35 | 3 | 66 | 525,000 |
61 | 20 | 19 | -6 | 76 | 481,586 |
77 | 10 | 14 | 10 | 108 | 450,000 |
67 | 6 | 15 | -21 | 71 | 450,000 |
55 | 6 | 14 | -9 | 39 | 450,000 |
83 | 2 | 14 | 35 | 205 | 314,500 |
74 | 3 | 7 | 0 | 66 | 414,000 |
64 | 3 | 6 | -10 | 202 | 400,000 |
53 | 1 | 9 | -2 | 107 | 400,000 |
68 | 10 | 11 | -12 | 49 | 392,500 |
78 | 17 | 39 | -12 | 69 | 385,000 |
22 | 0 | 2 | -3 | 18 | 375,000 |
61 | 5 | 10 | 1 | 344 | 375,000 |
47 | 10 | 15 | 13 | 19 | 270,100 |
77 | 4 | 8 | -6 | 209 | 360,000 |
70 | 10 | 21 | 6 | 79 | 259,000 |
84 | 8 | 18 | -1 | 131 | 259,000 |
41 | 4 | 15 | 1 | 61 | 240,500 |
48 | 6 | 9 | 1 | 49 | 325,000 |
41 | 5 | 3 | -5 | 90 | 315,000 |
69 | 11 | 35 | -8 | 74 | 307,311 |
77 | 7 | 29 | -25 | 30 | 300,000 |
36 | 1 | 5 | 0 | 14 | 300,000 |
65 | 5 | 12 | 23 | 105 | 300,000 |
69 | 3 | 13 | -24 | 61 | 222,000 |
31 | 4 | 11 | 4 | 18 | 275,000 |
6 | 0 | 3 | 4 | 2 | 275,000 |
32 | 1 | 2 | 0 | 32 | 265,000 |
55 | 10 | 17 | 3 | 32 | 250,000 |
49 | 8 | 23 | -1 | 4 | 250,000 |
26 | 0 | 2 | 3 | 10 | 230,000 |
10 | 0 | 0 | 1 | 20 | 225,000 |
27 | 3 | 4 | -6 | 8 | 225,000 |
70 | 22 | 30 | 34 | 82 | 200,000 |
5 | 0 | 1 | -3 | 0 | 200,000 |
11 | 0 | 5 | -3 | 2 | 165,000 |
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