Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03299 -0.03298 -0.02145 -0.00710  0.55343 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.032991   0.003015  10.943 < 0.0000000000000002 ***
xYes        -0.025290   0.005674  -4.457           0.00000965 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.06815 on 710 degrees of freedom
Multiple R-squared:  0.02722,	Adjusted R-squared:  0.02585 
F-statistic: 19.87 on 1 and 710 DF,  p-value: 0.000009647