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Question: An environmentalist wants to examine whether average fuel consumption (measured in miles per gallon) is affected by fuel type (factor A) and type of hybrid (factor B). A random block experiment with replication is performed. The results are shown in the accompanying table and are also available on the text website, labeled ANOVA-fuel, hybrid.

a. Use Excel to generate the appropriate ANOVA table.

b. At the 5% significance level, is there interaction between fuel type and hybrid type?

c. At the 5% significance level, can you conclude that average fuel consumption differs by fuel type?

d. At the 5% significance level, can you conclude that average fuel consumption differs by type of hybrid?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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