A survey wanted to determine if there was a relationship between the number of joggers who used a local park for exercise and the temperature outside. The data in the table display their findings. the temperature in Fahrenheit, number of joggers,
x y
15 4
30 8
30 8
41 4
42 16
49 20
49 14
55 16
66 34
72 44
85 40
94 15
The line of best fit is y=0.41x-2.88y

State the y-intercept. What does the y-intercept mean in this context?