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The regression equation is
WL = 0.75 + 0.367 AT
ANSWERS TO ODD-NUMBERED EXERCISES A-139
Predictor Coef SE Coef T P
Constant 0.752 1.761 0.43 0.677
AT 0.3668 0.1660 2.21 0.047
S = 2.241 R-Sq = 28.9% R-Sq(adj) = 23.0%
Pearson correlation of WL and AT = 0.538
P-Value = 0.047
WL, ET
The regression equation is
WL = 0.74 + 0.00637 ET
Predictor Coef SE Coef T P
Constant 0.739 1.173 0.63 0.541
ET 0.006375 0.001840 3.46 0.005
S = 1.879 R-Sq = 50.0% R-Sq(adj) = 45.8%
Pearson correlation of WL and ET = 0.707
P-Value = 0.005
45. The regression equation is
CL/F = 19.4 + 0.893 CLer
Predictor Coef SE Coef T P
Constant 19.393 4.496 4.31 0.000
CLer 0.89250 0.05671 15.74 0.000
S = 28.20 R-Sq = 59.3% R-Sq(adj) = 59.1%
Pearson correlation of CL/F and CLer = 0.770
P-Value = 0.000
Chapter 10
10.3.1. yN = -31.4 + 0.473x 1 + 1.07x 2
10.3.3. yN = 13.45 + 4.02x 1 + 2.81x 2
10.3.5. yN = -422.00 + 11.17x 1 - .63x 2