Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03415 -0.03414 -0.01058 -0.00695  0.55227 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.034152   0.003106  10.995 < 0.0000000000000002 ***
xYes        -0.025475   0.005442  -4.682           0.00000341 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.06805 on 710 degrees of freedom
Multiple R-squared:  0.02995,	Adjusted R-squared:  0.02858 
F-statistic: 21.92 on 1 and 710 DF,  p-value: 0.000003409