The number of different types of drinks that a barista makes in one week is related to the cost of the drink. A collection of data on the cost of a particular drink and the number of that drink made over the course of the week is shown in the table below, where x represents the cost of
the drink, in dollars, and y represents the number of drinks made at each cost.
х
у
1.85
97
2.10
84
2.45
66
3.25
70
3.50
65
3.65
58
4.15
51
4.45
40
4.70
44
5.10
27
Using a residual plot, determine if the following model is a good fit for the data.
y = -11.52 + 120.45