Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -0.02734 -0.01190 -0.01186 0.00240 0.43204 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.011907 0.001465 8.130 0.00000000000000191 *** xYes 0.015430 0.002768 5.574 0.00000003543238661 *** --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 Residual standard error: 0.03314 on 709 degrees of freedom (1 observation deleted due to missingness) Multiple R-squared: 0.04198, Adjusted R-squared: 0.04063 F-statistic: 31.07 on 1 and 709 DF, p-value: 0.00000003543