Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02771 -0.02228 -0.01264  0.01030  0.17789 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.027712   0.001526  18.159 < 0.0000000000000002 ***
xYes        -0.011321   0.002674  -4.235            0.0000259 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03344 on 710 degrees of freedom
Multiple R-squared:  0.02463,	Adjusted R-squared:  0.02326 
F-statistic: 17.93 on 1 and 710 DF,  p-value: 0.0000259