Following is an extract from the database of a construction company. The table shows the height of walls (x) in feet and the cost (y) of raising them. The estimated simple linear regression equation is given as Ŷ = b0 + b1X. Using Excel, find the regression model to determine the value of the coefficient b1. Height (ft) Cost ($) 4 670 3 430 7 810 9 1100 6 790 8 880 5 760 11 1200
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