Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -0.016043 -0.005025 -0.005015 -0.002403 0.184695 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.0050269 0.0008504 5.911 0.000000005266418 *** xYes 0.0110169 0.0014897 7.395 0.000000000000399 *** --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 Residual standard error: 0.01863 on 710 degrees of freedom Multiple R-squared: 0.07152, Adjusted R-squared: 0.07021 F-statistic: 54.69 on 1 and 710 DF, p-value: 0.0000000000003985