Cellulon, a manufacturer of home insulation, wants to develop guidelines for builders and consumers on how the thickness of theinsulation in the attic of a home and the outdoor temperature affect natural gas consumption. In the laboratory, it varied the insulationthickness and temperature. A few of the findings are:Monthly NaturalGas Consumption(cubic feet),Thickness ofOutdoorInsulationTemperature(OF),(inches),X1X230.36.4026.9124022.149On the basis of the sample results, the regression equation is:ŷ = 62.65 – 1.86x, – 0.52x2a. How much natural gas can homeowners expect to use per month if they install 6 inches of insulation and the outdoor temperature is40 degrees F? (Round your answer to 2 decimal places.)Natural gascubic feetb. What effect would installing 7 inches of insulation instead of 6 have on the monthly natural gas consumption (assuming the outdoortemperature remains at 40 degrees F)? (Round your answers to 2 decimal places.)cubic feet.decreasecubic feet of monthly natural gas consumption, down to< Prev7 of 10Next >

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Description: Cellulon, a manufacturer of home insulation, wants to develop guidelines for builders and consumers on how the thickness of theinsulation in the attic of a home and the outdoor temperature affect natural gas consumption. In the laboratory, it varied

The given regression equation is as follows:

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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 Consumption (cubic feet), Thickness of Insulation (inches), Outdoor Temperature (OF), y X1 X2 30.3 6. 40 26.9 12 40 22.1 49 On the basis of the sample results, the regression equation is: ŷ = 62.65 – 1.86x, – 0.52×2 a. How much natural gas can homeowners expect to use per month if they install 6 inches of insulation and the outdoor temperature is 40 degrees F? (Round your answer to 2 decimal places.) Natural gas cubic feet b. What effect would installing 7 inches of insulation instead of 6 have on the monthly natural gas consumption (assuming the outdoor temperature remains at 40 degrees F)? (Round your answers to 2 decimal places.) A decrease of cubic feet of monthly natural gas consumption, down to cubic feet.

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 Consumption (cubic feet), Thickness of Insulation (inches), Outdoor Temperature (OF), y X1 X2 30.3 6. 40 26.9 12 40 22.1 49 On the basis of the sample results, the regression equation is: ŷ = 62.65 – 1.86x, – 0.52×2 a. How much natural gas can homeowners expect to use per month if they install 6 inches of insulation and the outdoor temperature is 40 degrees F? (Round your answer to 2 decimal places.) Natural gas cubic feet b. What effect would installing 7 inches of insulation instead of 6 have on the monthly natural gas consumption (assuming the outdoor temperature remains at 40 degrees F)? (Round your answers to 2 decimal places.) A decrease of cubic feet of monthly natural gas consumption, down to cubic feet.

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter7: Distance And Approximation

Section7.3: Least Squares Approximation

Problem 35EQ

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