Question 23:

Based on the fitted linear regression model in Analysis C, what's the predicted estradiol level for an African American woman with a BMI of 30? 110.36 O-42.94 O 38.66 O 38.30Analysis C . gen intethnicbmi= Ethnic* bmi . reg Estradl Ethnic bmi intethnicbmi Source SS df MS Number of obs = 211 F(3, 207) 8. 12 Model 17801.6578 3 5933.88592 Prob > F 9.0060 Residual 151360. 426 207 731. 209787 R-squared = 0. 1052 Adj R-squared 0. 0923 Total 169162. 084 210 805.533732 Root MSE 27.041 Estradl Coef. Std. Err. t P>It| [95% Conf. Interval] Ethnic - 81. 24498 24.51533 -3.31 0.001 -129.5767 -32.91325 bmi - 2.388122 .9406869 -2.54 0. 012 -4. 242677 -.5335669 intethnicbmi 2.720802 1. 019331 2.67 0.008 . 7112016 4.730403 cons 110. 3196 22. 02682 5.01 0.000 66.8939 153.7452