8.29 Murders and poverty, Part I. The following regression output is for predicting annual murders per million from percentage living in poverty in a random sample of 20 metropolitan areas. Estimate Std. Error t value Pr(>[t[) 40 (Intercept) -29.901 7.789 -3.839 0.001 35 poverty% 2.559 0.390 6.562 0.000 30 8 = 5.512 R2 = 70.52% Radi = 68.89% 25 annual murders per million (a) Write out the linear model. 20 (b) Interpret the intercept. 15 (c) Interpret the slope. 10 (d) Interpret R?. 5 14 16 20 22 24 26 (e) Calculate the correlation coefficient. % in poverty