Question 24:

Analysis 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 153.7452Based on Analysis C, on the average how much change in estradiol level as BMI increases one unit for African American women? O-0.33 O-2.39 +2.72 O +0.33