Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.022267 -0.022231 -0.007916  0.002150  0.195422 

Coefficients:
             Estimate Std. Error t value             Pr(>|t|)    
(Intercept)  0.022268   0.001471  15.139 < 0.0000000000000002 ***
xYes        -0.014349   0.002780  -5.161          0.000000319 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.03328 on 709 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.03621,	Adjusted R-squared:  0.03485 
F-statistic: 26.63 on 1 and 709 DF,  p-value: 0.0000003194