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Mileage, X (in thousands) (in thousands of xy dollars) 24.3 26.7 648.81 27.0 30.5 823.5 40- 20.9 31.4 656.26 27.4 29.1 797.34 35 28.3 26.7 755.61 X 15.7 33.6 527.52 30- X 23.0 31.8 731.4 25.5 26.7 680.85 X 23.7 28.4 673.08 25- 21.0 30.8 646.8 37.5 23.1 866.25 20 23.1 33.9 783.09 24.2 30.1 728.42 15 29.4 27.2 799.68 Figure 1 34.6 25.0 865 Send data to Excel Answer the following. Carry your intermediate computations to at least four decimal places, and round your answer as specified below