The table shows average US retail residential prices of electricity from 2000 to 2016, measured in cents

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The table shows average US retail residential prices of electricity from 2000 to 2016, measured in cents per kilowatt hour.

(a) Make a scatter plot. Is a linear model appropriate? 

(b) Find and graph the regression line.

(c) Use your linear model from part (b) to estimate the average retail price of electricity in 2005 and 2017.

Years since 2000 Cents/kWh Years since 2000 Cents/kWh 8.24 10 11.54 2 8.44 12 11.88 4 8.95 14 12.52 10.40 16 12.90 8 11.26

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Calculus Early Transcendentals

ISBN: 9781337613927

9th Edition

Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin

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