Statistics: Analysis of Variance (ANOVA) – #404


Question: Car Fuel Consumption. The following table lists highway fuel consumption amounts (in mi/gal) from Data Set 22 in Appendix B. Assume that fuel consumption amounts are not affected by an interaction between the type of transmission (manual of automatic) and the number of cylinders. Are fuel consumption amounts affected by the type of transmission? Are fuel consumption amounts affected by the number of cylinders?

Cylinders
4 6 8
Manual 33 30 28
Automatic 31 27 24

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