Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.027797 -0.025383 -0.010660  0.009097  0.302815 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.027798   0.001540  18.052 < 0.0000000000000002 ***
xYes        -0.011948   0.002911  -4.105            0.0000451 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03484 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.02322,	Adjusted R-squared:  0.02184 
F-statistic: 16.85 on 1 and 709 DF,  p-value: 0.00004511