A Chemist Is Interested in Comparing Four Different Catalysts by Measuring

question 38

Multiple Choice

A chemist is interested in comparing four different catalysts by measuring reaction times.Each catalyst is tested five times,with each experiment randomly assigned one of the four catalysts.Calculate
,
And the F-ratio.Can you reject
Using α = 0.05? The ANOVA table is listed below.

• A) = 2.328; =4.958;F-Ratio = 0.470;No,do not reject Using α = 0.05.
• B) = 3.103; =4.666;F-Ratio = 0.665;No,do not reject Using α = 0.05.
• C) = 3.103; =4.175;F-Ratio = 0.743;No,do not reject Using α = 0.05.
• D) = 2.328; =4.175;F-Ratio = 0.558;Yes,reject Using α = 0.05.
• E) = 3.103; =4.958;F-Ratio = 0.626;No,do not reject Using α = 0.05.

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