To help determine how many beers to stock the concession manager at Yankee Stadium wanted to know how the temperature affected beer sales. Accordingly, she took a sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game.
Temperature
|
Beers
|
80
|
20,533
|
68
|
1,439
|
78
|
13,829
|
79
|
21,286
|
87
|
30,985
|
74
|
17,187
|
86
|
30,240
|
92
|
37,596
|
77
|
9,610
|
84
|
28,742
|
|
|
a. Compute the coefficients of the regression line.
b. Interpret the coefficients.