SUMMARY OUTPUT Regression Statistics Multiple R 0.988424638 R Square 0.976983265 Adjusted R Square 0.976175661 Standard Error 20.69442095 Observations 60 ANOVA df SS MS F Significance F Regression 2 1036155.234 518077.6 1209.73 2.08087E-47 Residual 57 24410.76633 428.2591 Total 59 1060566 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept 803.7361777 8.289703516 96.95596 5.7E-65 787.1363327 820.3360226 787.1363327 820.3360226 X 5.633808582 0.627048225 8.98465 1.64E-12 4.378166169 6.889450994 4.378166169 6.889450994 X42 -0.20531148 0.009963528 -20.6063 4.38-28 -0.225263101 -0.18535986 -0.225263101 -0.18535986