Question: Based on a previous study examining the relationship between the weight of a car (in tons) and efficiency (miles per gallon) the fitted regression equation

Based on a previous study examining the relationship between the weight of a car (in tons) and efficiency (miles per gallon) the fitted regression equation based on a least squares estimate was found to be

mpq=40-5.5* weight

Based on this, what is the predicted/expected miles per gallon for a car that weighs 5 tons?

please elaborate in detail

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