Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.02632 -0.02477 -0.01340  0.01146  0.17928 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.026322   0.001489  17.680 < 0.0000000000000002 ***
xYes        -0.008144   0.002802  -2.906              0.00377 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03366 on 710 degrees of freedom
Multiple R-squared:  0.01176,	Adjusted R-squared:  0.01037 
F-statistic: 8.448 on 1 and 710 DF,  p-value: 0.003769