(Intercept) 3.4280 0.0480 71.36<2e-16 Speciesversicolor -0.6580 0.0679 -9.69 <2e-16 Speciesvirginica -0.4540 0.0679 -6.68 4.5e-10 Residual standard error:0.34 on 147 degrees of freedom Multiple R-squared:0.401, Adjusted R-squared:0.393 F-statistic:49.2 on 2 and 147 DF,p-value:<2e-16 Response Petal.Length Ca11: lm(formula Petal.Length Species,data iris) Residuals: Min 10 Median 30 Max -1.260-0.2580.0380.2401.348 Coefficients: Estimate Std.Error t value Pr(>Itl) (Intercept) 1.4620 0.0609 24.0 <2e-16 Speciesversicolor 2.7980 0.0861 32.5 <2e-16 Speciesvirginica 4.0900 0.0861 47.5 <2e-16 Residual standard error:0.43 on 147 degrees of freedom Multiple R-squared:0.941, Adjusted R-squared:0.941 F-statistic:1.18e+03 on 2 and 147 DF,p-value:<2e-16 Response Petal.Width ca11: lm(formula Petal.Width Species,data iris) Residuals: Min 10 Median 30 Max -0.626-0.126-0.0260.1540.474 Coefficients: Estimate Std.Error t value Pr(>Itl) (Intercept) 0.2460 0.0289 8.5 2e-14 Speciesversicolor 1.0800 0.0409 26.4 <2e-16 Speciesvirginica 1.7800 0.0409 43.5 <2e-16 Residual standard error:0.205 on 147 degrees of freedom Multiple R-squared:0.929, Adjusted R-squared:0.928 F-statistic:960 on 2 and 147 DF,p-value:<2e-16 8(Intercept) 3.4280 0.0480 71.36 < 2e-16 Speciesversicolor -0.6580 0.0679 -9.69 < 2e-16 Speciesvirginica -0.4540 0.0679 -6.68 4.5e-10 Residual standard error: 0.34 on 147 degrees of freedom Multiple R-squared: 0.401, Adjusted R-squared: 0.393 F-statistic: 49.2 on 2 and 147 DF, p-value: <2e-16 Response Petal.Length : Call: lm(formula = Petal.Length ~ Species, data = iris) Residuals: Min 1Q Median 3Q Max -1.260 -0.258 0.038 0.240 1.348 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1.4620 0.0609 24.0 <2e-16 Speciesversicolor 2.7980 0.0861 32.5 <2e-16 Speciesvirginica 4.0900 0.0861 47.5 <2e-16 Residual standard error: 0.43 on 147 degrees of freedom Multiple R-squared: 0.941, Adjusted R-squared: 0.941 F-statistic: 1.18e+03 on 2 and 147 DF, p-value: <2e-16 Response Petal.Width : Call: lm(formula = Petal.Width ~ Species, data = iris) Residuals: Min 1Q Median 3Q Max -0.626 -0.126 -0.026 0.154 0.474 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.2460 0.0289 8.5 2e-14 Speciesversicolor 1.0800 0.0409 26.4 <2e-16 Speciesvirginica 1.7800 0.0409 43.5 <2e-16 Residual standard error: 0.205 on 147 degrees of freedom Multiple R-squared: 0.929, Adjusted R-squared: 0.928 F-statistic: 960 on 2 and 147 DF, p-value: <2e-16 8