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Reurn to questor Cellulon, a manufacturer of home insulation, wants to develop guidelines for builders and consumers on how t
b. What effect would installing 9 inches of insulation instead of 6 have on the monthly natural gas consumption (assuming the
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Answer #1

The regression equationis, û = 57.15 – 0.69x1 – 0.64x2 (a) û = 57.15-0.69(6)-0.64(41) y = 26.77 Natural gas=26.77 cubic feet

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