Data from the Statistical Abstract of the United States provides a panel data collected at the state level in 1987 and 1990. These data are used to estimate MODEL 1: The variables used in the analysis are: infmort is number of deaths within the year per 1,000 live births Ipcinc is natural log of per capita income Ipopul is natural log of the population (the population is in thousands) Iphysic is natural log of physicians per 100,000 inhabitants d90 is year dummy for 1990. For questions 1 to 4 you can assume that MLR 1-4 are satisfied. 1. Use the Stata output below to interpret 3. Test at a 5% significance level whether the number of physicians per capita has any effect on infant mortality rate. reg infmort 1pcinc 1popul 1physic d90 . Source Model Residual Total infmort SS 78.0499129 350.452136 infmort = Bo + B₁lpcinc + ß₂lpopul+ ß3lphysic+8₁d90+ u 428.502049 1pcinc -4.693354 1popul -.0551426 1physic d90 _cons df 4 97 Coef. Std. Err. MS 101 4.24259454 1.638132 .1885884 .9733102 3.954843 -.090968 .4754863 34.82137 12.55572 19.5124782 3.61290862 Number of obs F(4, 97) Prob > F R-squared Adj R-squared Root MSE t P>|t| -2.87 0.005 -0.29 0.771 4.06 0.000 -0.19 0.849 2.77 0.007 = -7.944593 -.4294383 2.023092 -1.034677 9.901751 = = 102 5.40 0.0006 0.1821 0.1484 1.9008 [95% Conf. Interval] -1.442115 .3191531 5.886595 .8527407 59.741
Data from the Statistical Abstract of the United States provides a panel data collected at the state level in 1987 and 1990. These data are used to estimate MODEL 1: The variables used in the analysis are: infmort is number of deaths within the year per 1,000 live births Ipcinc is natural log of per capita income Ipopul is natural log of the population (the population is in thousands) Iphysic is natural log of physicians per 100,000 inhabitants d90 is year dummy for 1990. For questions 1 to 4 you can assume that MLR 1-4 are satisfied. 1. Use the Stata output below to interpret 3. Test at a 5% significance level whether the number of physicians per capita has any effect on infant mortality rate. reg infmort 1pcinc 1popul 1physic d90 . Source Model Residual Total infmort SS 78.0499129 350.452136 infmort = Bo + B₁lpcinc + ß₂lpopul+ ß3lphysic+8₁d90+ u 428.502049 1pcinc -4.693354 1popul -.0551426 1physic d90 _cons df 4 97 Coef. Std. Err. MS 101 4.24259454 1.638132 .1885884 .9733102 3.954843 -.090968 .4754863 34.82137 12.55572 19.5124782 3.61290862 Number of obs F(4, 97) Prob > F R-squared Adj R-squared Root MSE t P>|t| -2.87 0.005 -0.29 0.771 4.06 0.000 -0.19 0.849 2.77 0.007 = -7.944593 -.4294383 2.023092 -1.034677 9.901751 = = 102 5.40 0.0006 0.1821 0.1484 1.9008 [95% Conf. Interval] -1.442115 .3191531 5.886595 .8527407 59.741
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
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