The table shows average US retail residential prices of electricity from 2000 to 2012, measured in cents
Question:
The table shows average US retail residential prices of electricity from 2000 to 2012, 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 2013.
Years since 2000 | Cents/kWh |
0 | 8.24 |
2 | 8.44 |
4 | 8.95 |
6 | 10.40 |
8 | 11.26 |
10 | 11.54 |
12 | 11.58 |
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a See the scatter plot in part b A linear model s...View the full answer
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