Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03238 -0.03237 -0.02552 -0.00212  0.60726 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.032380   0.003624   8.935 < 0.0000000000000002 ***
xYes        -0.030257   0.006349  -4.766           0.00000228 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.0794 on 710 degrees of freedom
Multiple R-squared:  0.031,	Adjusted R-squared:  0.02963 
F-statistic: 22.71 on 1 and 710 DF,  p-value: 0.000002283