Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02145 -0.02145 -0.02101 -0.00085  0.54324 

Coefficients:
             Estimate Std. Error t value           Pr(>|t|)    
(Intercept)  0.021454   0.002759   7.776 0.0000000000000263 ***
xYes        -0.020602   0.005192  -3.968 0.0000799102768772 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.06236 on 710 degrees of freedom
Multiple R-squared:  0.02169,	Adjusted R-squared:  0.02031 
F-statistic: 15.74 on 1 and 710 DF,  p-value: 0.00007991