A metallurgy company wanted to investigate the effect of the percentage of ammonium and the stir rate
Question:
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At the 0.05 level of significance,
a. Is there an interaction between the percentage of ammonium and the stir rate?
b. Is there an effect due to the percentage of ammonium?
c. Is there an effect due to the stir rate?
d. Plot the mean density for each percentage of ammonium and the stir rate.
e. Discuss the results of (a) through (d).
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a H 0 There is no interaction H 1 There is interaction Since p value 00168 005 reject H 0 There is i...View the full answer
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Related Book For 
Statistics For Managers Using Microsoft Excel
ISBN: 9780133130805
7th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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