A Random Sample of Records of Electricity Usage of Homes

question 16

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.Suppose the 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:

Personal Injury

Physical or emotional harm to an individual resulting from someone else's negligence or wrongful act.

Orthopedic Rehabilitation

A therapy or program designed to help patients recover function after orthopedic surgery or injuries, focusing on strength, mobility, and pain relief.

Lifting And Positioning

Refers to the safe techniques used to move or adjust the position of patients in healthcare settings, ensuring comfort and reducing the risk of injury.

Back Injury

Physical damage to the back, which can result from strains, sprains, disc injuries, or fractures, often leading to pain and mobility issues.