The yield of a chemical process, expressed in percentage of the theoretical maximum, is measured with each of two catalysts, A, B, and with no catalyst (Control: C). Five observations are made under each condition. Making the usual assumptions for an analysis of variance, test the hypothesis that there is no difference in mean yield between the three conditions. а. Catalyst A Catalyst B Control C 81.5 79.2 74.8 80.1 80.7 76.5 77.4 80.5 74.7 77.6 81.7 74.8 77.8 80.6 74.9

Physical Chemistry
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Author:Ball, David W. (david Warren), BAER, Tomas
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Chapter22: Surfaces
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Problem 22.44E: Are the following processes examples of homogeneous or heterogeneous catalysis? a Hydrolysis of...
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a. The yield of a chemical process, expressed in percentage of the theoretical maximum, is
measured with each of two catalysts, A, B, and with no catalyst (Control: C). Five
observations are made under each condition. Making the usual assumptions for an
analysis of variance, test the hypothesis that there is no difference in mean yield between
the three conditions.
Catalyst A Catalyst B Control C
79.2
81.5
74.8
80.1
80.7
76.5
77.4
80.5
74.7
77.6
81.7
74.8
77.8
80.6
74.9
a. Suppose the jewelry of exams has a population that is normally distributed with standard
deviation of 5. You are walking down the street and sample 9 exams from this population
and obtain a mean jewelry of 28.95 and a standard deviation of 6.3802. Using an alpha
value of a = 0.01, is this observed mean significantly different than an expected jewelry of
27?
Transcribed Image Text:a. The yield of a chemical process, expressed in percentage of the theoretical maximum, is measured with each of two catalysts, A, B, and with no catalyst (Control: C). Five observations are made under each condition. Making the usual assumptions for an analysis of variance, test the hypothesis that there is no difference in mean yield between the three conditions. Catalyst A Catalyst B Control C 79.2 81.5 74.8 80.1 80.7 76.5 77.4 80.5 74.7 77.6 81.7 74.8 77.8 80.6 74.9 a. Suppose the jewelry of exams has a population that is normally distributed with standard deviation of 5. You are walking down the street and sample 9 exams from this population and obtain a mean jewelry of 28.95 and a standard deviation of 6.3802. Using an alpha value of a = 0.01, is this observed mean significantly different than an expected jewelry of 27?
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