In: Statistics and Probability
(Exam question) A pizza store wants to estimate the quarterly sales based on the student population in town. The following data is obtained:
x = student population (in 1000s) |
y = quarterly sales (in $1000s) |
---|---|
2 | 58 |
6 | 105 |
8 | 88 |
8 | 118 |
12 | 117 |
16 | 137 |
20 | 157 |
20 | 169 |
22 | 149 |
26 | 202 |
Calculate the regression line. Provide an interpretation of the intercept and slope coefficients. Also give a prediction of sales when the student population is 17 thousand.