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.

---

Definitions:

Auditory Association Area

A region of the brain located in the temporal lobe that is involved in processing and interpreting sounds.

Primary Auditory Cortex

The region of the brain that is responsible for processing auditory information, allowing us to perceive and interpret sounds.

Primary Motor Area

is a region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.

Cerebellum

A part of the brain that regulates motor movements, coordination, balance, and posture.