Determine whether the median yearly maintenance costs are the same for all three model cars. Also, remember to use the DSCF post-hoc test to determine which differences in medians are significant. SAS will output the results of the Kruskal-Wallis (H) test in a tabular format: Kruskal-Wallis Test Chi-Square DF Pr > ChiSq Exact Pr >= ChiSq A B C D The APA write-up requires you to know the following format: The test indicated ______ . You have a few questions to answer: Perform the Kruskal-Wallis test and write it up. Are any differences in median yearly maintenance cost significantly different? How do you know? CUSTOMERID CARMODEL YEARLYMAIN 1 A 1169 2 A 688 3 A 789 4 A 732 5 A 346 6 B 242 7 B 66 8 B 434 9 B 297 10 B 183 11 C 328 12 C 819 13 C 1065 14 C 450 15 C 223
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Determine whether the median yearly maintenance costs are the same for all three model cars. Also, remember to use the DSCF post-hoc test to determine which differences in medians are significant. |
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SAS will output the results of the Kruskal-Wallis (H) test in a tabular format:
The APA write-up requires you to know the following format: The test indicated ______ . |
You have a few questions to answer:
Perform the Kruskal-Wallis test and write it up.
Are any differences in median yearly maintenance cost significantly different? How do you know?
CUSTOMERID CARMODEL YEARLYMAIN
1 A 1169
2 A 688
3 A 789
4 A 732
5 A 346
6 B 242
7 B 66
8 B 434
9 B 297
10 B 183
11 C 328
12 C 819
13 C 1065
14 C 450
15 C 223
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