Asked by Constance Pettway on Jun 19, 2024
Verified
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.
Linear Model
A mathematical representation of a relationship between two or more variables where the relationship is modeled as a straight line.
Kilowatt-Hours
A unit of energy equivalent to one kilowatt (1 kW) of power expended for one hour of time, commonly used to measure electricity consumption.
Square Foot
A unit of area measurement equal to a square that is one foot on each side, commonly used in the United States.
- Assess the importance of the slope and intercept for a regression line, relating it to the specific data context.
Verified Answer
Learning Objectives
- Assess the importance of the slope and intercept for a regression line, relating it to the specific data context.
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