A random sample of records of electricity usage of homes

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Reference no: EM13622269

A random sample of records of electricity usage of homes gives the amount of electricity used in July and size (in square feet) of 135 homes. A regression was done to predict the amount of electricity used (in kilowatt-hours) from size. The residuals plot indicated that a linear model is appropriate. What units does the slope have?

A) Slope is kilowatt-hours per house.

B) Slope is kilowatt-hours per square foot.

C) Slope is square feet per house.

D) Slope is square feet per kilowatt-hour.

E) Slope is houses per kilowatt-hour.

Reference no: EM13622269

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