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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The following data are the yields for the last 8 hours of production from two ethanol-water distillation columns:

a. Analyze these data using parallel boxplots.
b. Conduct the appropriate hypothesis test using a 0.10 significance level.
c. Construct a 90% confidence interval for the true difference in the mean yields.
d. What did you assume to do the analyses? Can you evaluate how well these data meet the assumptions? If yes, determine how comfortable you are with them. If not, explain why.
e. Discuss the conclusions of the hypothesis test and confidence interval relative to the boxplot.
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