(b) How much of the variation in average annual energy expenditures is explained by the least-squares regresslon line? Round the answer to at least one decimal place. The percentage of variation in average annual energy expenditures that is explained by the least-squares regression line is %.

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How much of the variation in average annual energy expenditures is explained by the least-squares regression line? Round the answer to at least one decimal place.
Energy consumption: The following table presents the average annual energy expenditures (In dollars) for housing units of
various sizes (In square feet).
Size
Energy Expenditure
250
1119
750
1325
1250
1614
1750
1836
2250
2000
2750
2143
3250
2210
3750
2377
Send data to Excel
Transcribed Image Text:Energy consumption: The following table presents the average annual energy expenditures (In dollars) for housing units of various sizes (In square feet). Size Energy Expenditure 250 1119 750 1325 1250 1614 1750 1836 2250 2000 2750 2143 3250 2210 3750 2377 Send data to Excel
(b) How much of the variation in average annual energy expenditures is explained by the least-squares regresslon line?
Round the answer to at least one decimal place.
The percentage of variation in average annual energy expenditures that is explained by the
least-squares regression line is
%.
Transcribed Image Text:(b) How much of the variation in average annual energy expenditures is explained by the least-squares regresslon line? Round the answer to at least one decimal place. The percentage of variation in average annual energy expenditures that is explained by the least-squares regression line is %.
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