Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03983 -0.03981 -0.02826 -0.00533  0.67585 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.039827   0.004242   9.388 < 0.0000000000000002 ***
xYes        -0.033733   0.008019  -4.207            0.0000292 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.09599 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.02435,	Adjusted R-squared:  0.02298 
F-statistic:  17.7 on 1 and 709 DF,  p-value: 0.00002921