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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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consider the following results for independent samples taken from two populations.sample 1 n1400 p10.48sample 2 n2300
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At the 0.05 level of significance, is there evidence that the average purchase is different from 10 liters? At the 0.05 level of significance, is there evidence that less than 20% of the motorists purchase super unleaded gasoline?
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