Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.01184 -0.01183 -0.01162 -0.00043  0.47534 

Coefficients:
             Estimate Std. Error t value         Pr(>|t|)    
(Intercept)  0.011840   0.001710   6.923 0.00000000000993 ***
xYes        -0.011410   0.003219  -3.545         0.000419 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03866 on 710 degrees of freedom
Multiple R-squared:  0.01739,	Adjusted R-squared:  0.016 
F-statistic: 12.56 on 1 and 710 DF,  p-value: 0.0004189