An engineer wanted to determine how the weight of a car affects gas mileage. The following data
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(a) Draw a scatter diagram treating the length of the right humerus as the explanatory variable and the length of the right tibia as the response variable.
(b) Compute the linear correlation coefï¬cient between the length of the right humerus and the length of the right tibia.
(c) Does a linear relation exist between the length of the right humerus and the length of the right tibia?
(d) Convert the data to inches (1 mm = 0.03937 inch), and recompute the linear correlation coefï¬cient. What effect did the conversion from millimeters to inches have on the linear correlation coefï¬cient?
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a Explanatory variable weight Response variable gas mileage b c To calculate the correlation coef...View the full answer
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