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In: Statistics and Probability

3. A chemical engineer is studying the effects of temperature and catalyst on the percentage of...

3. A chemical engineer is studying the effects of temperature and catalyst on the percentage of undesired byproduct in the output of a chemical reactor. Orders of testing were determined using random numbers. Percentage of the byproduct is shown in the table below.

Catalyst Temperature, ~
#1 140 150
2.3 1.6
1.3 2.8
#2    3.6 3.0
3.4 3.8
The diagnostic plots recommended in part (c) of section 12.1 were carried out and showed no significant discrepancies. Can we conclude (at the 5% level of significance) that catalyst or temperature or their interaction affects the percent- age of byproduct?

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