Call:
lm(formula = MA ~ es)

Residuals:
   Min     1Q Median     3Q    Max 
-8.783 -7.308 -2.621  4.408 32.298 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)   
(Intercept)  8.20807    2.95530   2.777  0.00796 **
es           0.01662    0.06172   0.269  0.78896   
---
Signif. codes:  0 *** 0.001 ** 0.01 * 0.05 . 0.1   1

Residual standard error: 9.433 on 45 degrees of freedom
Multiple R-squared:  0.001609,	Adjusted R-squared:  -0.02058 
F-statistic: 0.0725 on 1 and 45 DF,  p-value: 0.789