=+for 18 asphalt mixture samples having 5% asphalt content. The following R output is from a simple linear regression of y on x:

Estimate Std.

Error t

value Pr

(>|t|)

(Intercept) 4.858691 0.059768 81.293 <2e-16 AirVoid -0.074676 0.009923 -7.526 1.21e-06 Residual standard error: 0.03551 on 16 degrees of freedom Multiple R-squared: 0.7797, Adjusted R-squared: 0.766 F-statistic: 56.63 on 1 and 16 DF, p-value: 1.214e-06 Analysis of Variance Table Response: Dielectric DF Sum Sq Mean Sq F value Pr(>F)

AirVoid 1 0.071422 0.071422 56.635 1.214e-06 Residuals 16 0.020178 0.001261