Solution Found!
use the Kruskal - Wallis test.Highway Fuel Consumption
Chapter 13, Problem 8 BSC(choose chapter or problem)
Problem 8BSC
use the Kruskal - Wallis test.
Highway Fuel Consumption Listed below are highway fuel consumption amounts (mi/gal) for cars categorized by the sizes of small, midsize, and large (from Data Set 14 in Appendix B). Using a 0.05 significance level, test the claim that the three size categories have the same median highway fuel consumption. Does the size of a car appear to affect highway fuel consumption?
Small 28 26 23 24 26 24 25
Midsize 28 31 26 30 28 29 31
Large 34 36 28 40 33 35 26
Questions & Answers
QUESTION:
Problem 8BSC
use the Kruskal - Wallis test.
Highway Fuel Consumption Listed below are highway fuel consumption amounts (mi/gal) for cars categorized by the sizes of small, midsize, and large (from Data Set 14 in Appendix B). Using a 0.05 significance level, test the claim that the three size categories have the same median highway fuel consumption. Does the size of a car appear to affect highway fuel consumption?
Small 28 26 23 24 26 24 25
Midsize 28 31 26 30 28 29 31
Large 34 36 28 40 33 35 26
ANSWER:
Solution 8BSC
The value of the test statics is computed as
