Problem 6-11 – Instructor Reserve
Durarubb, Inc
Temperature Hardness Temperature vs. Hardness
35 97 Temperature 1
40 94 Hardness -0.938581842 1
100 52 ANOVA
105 42 df SS MS F Significance F
Regression 1 3367.289 3367.289 96.185 0.000
Residual 13 455.111 35.009
Total 14 3822.400
Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%
100
120
Temperature Line Fit Plot
60 86
90 69 Observations 15