The article "Factorial Experiments in the Optimization of Alkaline WastewaterPretreatment" (M. Prisciandaro, A. Del Borghi, and F. Veglio, Industrial Engineering andChemistry Research, 2002:5034-5041) presents the results of an experiment toinvestigate the effects of the concentrations of sulfuric acid (H,So,) and calciumchloride (CaCl,) on the amount of black mud precipitate in the treatment of alkalinewastewater. There were three levels of each concentration, and two replicates of theexperiment were made at each combination of levels. The results are presented in thefollowing table (all measurements are in units of kg/m).H;5O,CaCl,15Precipitate100.211098.211030175.8216.5176.211045206.012315110.5105.51233045184.7189.0123234.0222.013615106.5107.0136301817189.013645211.8201.3a Construct an ANOVA table. You may give ranges for the P-values.b.Is the additive model plausible? Explain.c. Can you concude that H,S0, concentration affects the amount of precipitate? Explain.d. Can you concude that CaCl, concentration affects the amount of precipitate? Explain.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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