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The following table shows the daily high temperature and maximum market price for electricity during 7 days this last summer.
Using the data in the table calculate the regression equation, including the slope and intercept terms, R squared, and the SE of the regression (SE of the estimate). Based on your results, how well does temperature explain changes in price? How are the two variables mathematically related? How might you use your regression to forecast the price for electricity?
Temp. Prices 70 45 75 48 80 42 85 55 90 63 95 94100 105
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