A Random Sample of Records of Electricity Usage of Homes

question 45

Multiple Choice

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 square foot.
• B)Slope is kilowatt-hours per house.
• C)Slope is square feet per kilowatt-hour.
• D)Slope is square feet per house.
• E)Slope is houses per kilowatt-hour.

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Definitions:

Replacement Cost

The cost to replace an asset with another of similar function and quality in current market conditions.

Inventory

Items held for sale in the ordinary course of business, or supplies and raw materials that are used in production.

Partnership

A business structure where two or more individuals share ownership, profits, and liabilities.

Bonus

A financial reward given to employees or stakeholders beyond their normal compensation, often tied to performance or specific achievements.