Call:
lm(formula = y ~ x)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.258222 -0.000841  0.015598  0.041580  0.113446 

Coefficients:
             Estimate Std. Error t value Pr(>|t|)    
(Intercept)  0.510148   0.023490  21.718  < 2e-16 ***
x           -0.008158   0.002300  -3.547  0.00108 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.07628 on 37 degrees of freedom
  (1 observation deleted due to missingness)
Multiple R-squared:  0.2538,	Adjusted R-squared:  0.2336 
F-statistic: 12.58 on 1 and 37 DF,  p-value: 0.001077