Solve the following:
Q: Random samples of populations (in thousands) of U.S. cities in three sections of the country are listed. Is there evidence to conclude a difference in means at the 0.001 level of significance?
|
Eastern Third
|
Middle Third
|
Western Third
|
|
187
|
217
|
276
|
|
146
|
478
|
110
|
|
362
|
277
|
177
|
|
186
|
113
|
122
|
|
174
|
128
|
134
|
|
248
|
150
|
137
|
|
335
|
198
|
338
|
|
|
255
|
A) Solve using a one-way ANOVA test
B) Solve using a Kruskal-Wallis test