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Question 20 (1 point) Exhibit 1425 You are giTon the following information about I and y. Independent Variable Dependent Variable Refer to Exhibit 1425. The

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Question 20 (1 point) Exhibit 1425 You are giTon the following information about I and y. Independent Variable Dependent Variable Refer to Exhibit 1425. The point estimate of}: Whoa I = 10 is Question 21 (1 point) Exhibit 14-25 You are given the following information about x and y. X Independent Variable Dependent Variable O 7 Refer to Exhibit 14-25. The least squares estimate of by (slope) equals -5.78 0.321 1.56 -0.321Question 22 (3 points) Garth James Builders would like to predict the total number of labor hours spent putting flooring in a house based on the square footage of the house and the type of flooring. The following data have been compiled on 10 houses recently built. Square Footage (100s) Labor Hours Type of Flooring 20 195 Tile 21 170 Tile 23 220 Wood 23 200 Tile 26 230 Wood 27 225 Tile 29 240 Wood 31 225 Tile 32 275 Wood 35 260 Wood a. Develop the least squares estimated regression equation that relates labor hours to house square footage and type of flooring b. Use the regression equation developed in part (a) to predict labor hours when the house size is 3350 square feet and the type of flooring is wood

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