Estimate Std. Error t value Pr(>|t|)
       (Intercept)  0.669399   1.296381   0.516  0.60690
       A            0.587023   0.087920   6.677 2.11e-09
       B            0.454461   0.170012   2.673  0.00896
       C           -0.019637   0.011173  -1.758  0.08229
       D            0.107054   0.058449   1.832  0.07040
       E            0.766156   0.244309   3.136  0.00233
       F           -0.105474   0.091013  -1.159  0.24964
       G            0.045136   0.157464   0.287  0.77506
       H            0.004525   0.004421   1.024  0.30885

       Residual standard error: 0.7084 on 88 degrees of freedom
       Multiple R-squared:  ????,    Adjusted R-squared:  ????
       F-statistic: 20.86 on 8 and 88 DF,  p-value: ????