Question: Height, ft Diameter at breast height, in Bark thickness, in 122.0 20 193.5 36 2.8 166.5 18 Q 82.0 1.2 133.5 156.0 172.5 81.0 148.0

Height, ft Diameter at breast height, in Bark thickness, in 122.0 20 193.5 36 2.8 166.5 18 Q 82.0 1.2 133.5 156.0 172.5 81.0 148.0 84.0 164.0 203.3 binow 174.0 159.0 205.0 223.5 195.0 232.5 in N 190.5 36 100.0 1.4 a. State the multiple regression equation. SUMMARY OUTPUT Regression Statistics Multiple R 0.886444087 R Square 0.78578312 Adjusted R Square 0.761981244 Standard Error 22.59816752 Observations ANOVA of SS MS ignificance F Regression 2 33718.47752 16859.239 33.0135 9.5E-07 Residual 18 9192.189151 |510.67718 Total 20 42910.66667 Coefficients Standard Enor [ Stat P-value! Lower 95% Upper 95% ower 95.09/pper 95.0% bo Intercept 62.14112783 13.50306426 |4.6020019 0.000221 |33.77224 90.51001 33.77224 90.51001 b1 Diameter at breast height, in 2.05671274 0.442797529 4.6448153 |0.000201 1.12643 2.986996 1.12643 2.986996 b2 Bark thickness, in 15.64180216 7. 148285403 2.1881894 |0.042087 |0.623812 30.65979 0.623812 30.65979 Yhat= 62.1411+2.0567X1+15.6418X2

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