A Random Sample of Records of Electricity Usage of Homes $\hat{\text { usage }} = 1240 + 0.5$

question 24

Multiple Choice

A random sample of records of electricity usage of homes in the month of July gives the amount of electricity used and size (in square feet) of 135 homes.A regression was done to predict the amount of electricity used (in kilowatt-hours) from size.Suppose the linear model is appropriate.The model is $\hat{\text { usage }} = 1240 + 0.5$ size.How much electricity would you predict would be used in a house that is 2372 square feet?

• A)54 kilowatt-hours
• B)2264.00 kilowatt-hours
• C)1186 kilowatt-hours
• D)2426 kilowatt-hours
• E)3612.5 kilowatt-hours

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