Mathematics, 07.07.2020 04:01, joellundy

An engineer wanted to determine how the weight of a car affects gas mileage. The accompanying data represent the weights of various domestic cars and their gas mileages in the city for a certain model year. Suppose that we add Car 12 to the original data. Car 12 weighs 3,305 pounds and gets 19 miles per gallon. Complete parts (a) through (f) below. Required:
a. Draw the scatter diagram with Car 12 included.
b. Compute the linear correlation coefficient with Car 12 included.
c. Compute the linear correlation coefficient with Car 13 included.

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