6.1 question 1. An experiment was performed to study the effects of humidity and temperature at time of manufacture on the degradation of a chemical product. The experiment used three levels of humidity and four levels of temperature in a full factorial design. The experiment de- sign was replicated three times and blocked on replicates. The orders of the humidity and temperature levels were randomized within blocks. (a) Complete the calculations of the ANOVA table shown below including the summary statistics (standard error, R-squared, and R-squared-adjusted) and interpret the re- sults. (b) Refine the model using Occam's Razor, recalculate the summary statistics, and inter- pret the results. Source Block df SS MS F P 20 Humidity 122 Temperature 450 Interaction 33 Error Total 240

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