Based on your answers to the above questions and the SAS or R output, which polynomial model do you consider the best? Write down the polynomial model with the estimated coefficient values. Do you keep the linear term in the model? Why? Coefficients:
0.6.4 Question 4 Based on your answers to the above questions and the SAS or R output, which polynomial model do you consider the best? Write down the polynomial model with the estimated coefficient values. Do you keep the linear term in the model? Why?
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 336.53030 21.20564 15.870 < 0.0000000000000002 ***
MET -3.81156 1.10018 -3.464 0.001178 **
I(MET^2) 0.04436 0.01206 3.680 0.000622 ***
> ols_test_normality(quadModel)
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Test Statistic pvalue
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Shapiro-Wilk 0.9712 0.2813
Kolmogorov-Smirnov 0.0906 0.7920
Cramer-von Mises 3.8669 0.0000
Anderson-Darling 0.3155 0.5312
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