A Random Sample of Records of Electricity Usage of Homes

question 28

Multiple Choice

A random sample of records of electricity usage of homes in the month of July gives the amount of electricity used 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.The model is
= 1,240 + 0.5 size.How much electricity would you predict would be used in a house that is 2,372 square feet?

• A)54 kilowatt-hours
• B)2,264.00 kilowatt-hours
• C)1,186 kilowatt-hours
• D)2,426 kilowatt-hours
• E)3,612.5 kilowatt-hours

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Definitions:

Perceptual Processing

The act of receiving, organizing, and interpreting sensory information from the environment.

Uniform Parts

Elements or components that are identical in form or function within a larger system or group.

Reversible

Capable of being turned back to the previous state or condition without causing permanent change or damage.

Figure-Ground Patterns

The organization of visual fields into objects (the figures) that stand out from their surroundings (the ground).