A Random Sample of Records of Electricity Usage of Homes

question 57

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.Do you think the slope is positive or negative? Why?

• A)Negative.Larger homes should use less electricity.
• B)Positive.The larger the number of houses the more electricity used.
• C)Negative.Smaller homes should use less electricity.
• D)Positive.More square feet indicates more houses.
• E)Positive.Larger homes should use more electricity.

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Definitions:

Rites of Passage

Cultural ceremonies that mark the transition from one stage of life to another.

Historically

Pertains to events, conditions, or phenomena as they occurred or existed in the past, often used to provide context or understanding of current states or trends.

Societies

Groups of individuals bound by shared cultures, traditions, laws, and social structures, collectively functioning within a defined geographic area.

Rite of Passage

A ceremony or ritual signifying an individual's transition from one status to another within a society.