Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.06081 -0.06080 -0.05511 -0.00071  0.61256 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.060811   0.005926  10.262 < 0.0000000000000002 ***
xYes        -0.060100   0.011153  -5.389         0.0000000967 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.134 on 710 degrees of freedom
Multiple R-squared:  0.03929,	Adjusted R-squared:  0.03794 
F-statistic: 29.04 on 1 and 710 DF,  p-value: 0.0000000967