Cellulon, a manufacturer of home insulation wants to develop guidelines for builders and consumers on how the thickness
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Cellulon, a manufacturer of home insulation wants to develop guidelines for builders and consumers on how the thickness
Cellulon, a manufacturer of home insulation wants to develop guidelines for builders and consumers on how the thickness of the Insulation in the attic of a home and the outdoor temperature affect natural gas consumption. In the laboratory, it varied the insulation thickness and temperature A few of the findings are: Monthly Natural Gas Thickness of Outdoor Consumption (cubic Insulation Temperature feet) (inches) (5) * X2 30.3 39.0 25. 31. 49 4.0 12 3 40 On the basis of the sample results, the regression equation is: -6269 -103*, -0.78X, a. How much natural gas can homeowners expect to use per month if they install 4 inches of insulation and the outdoor temperature is 39 degrees F? (Round your answer to 2 decimal places.) Natural que cubic boat b. What effect would installing 7 inches of insulation instead of 4 have on the monthly natural gas consumption (assuming the outdoor temperature remains at 39 degrees F)? (Round your answers to 2 decimal places.) cubic feat decrease ol cubic feet of monthly natural gas consumption, down to
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