Determine the least squares regression line and calculate r

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The following data show U.S. production of motor vehicles versus tons of domestic steel shipped for motor vehicle manufacture.

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a. Determine the least-squares regression line and calculate r.

b. What proportion of the variability in steel shipments for motor vehicles is explained by the regression equation?

c. During a year in which U.S. production of motor vehicles is 12.0 million, what would be the prediction for the number of tons of domestic steel used for vehicle production?

Reference no: EM131409041

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