City Distance x Price y
Chicago 802 191
Denver 1771 183
Kansas City 1198 193
Little Rock 1238 247
Los Angeles 2786 316
Minneapolis 1207 206
Nashville 892 151
Philadelphia 95 290
Phoenix 2411 223
Portland 2885 321
Reno 2705 288
St. Louis 948 152
San Diego 2762 267
a)Find the least-squares line and use it to find the approximate marginal cost per mile to fly.
b) Identify the outlier in the plot. Discuss the reason why there would be a difference in price to this city.
