Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.05165 -0.05164 -0.03260 -0.00267  0.64211 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.051651   0.004834  10.686 < 0.0000000000000002 ***
xYes        -0.048978   0.008468  -5.784         0.0000000109 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.1059 on 710 degrees of freedom
Multiple R-squared:  0.045,	Adjusted R-squared:  0.04366 
F-statistic: 33.46 on 1 and 710 DF,  p-value: 0.00000001093