Question

The data shown represent two random samples gathered from two populations. Is there sufficient evidence in the data to determine whether the values of population 1 are significantly larger than the values of population 2? Use the Mann-Whitney U test and α = .01.
Sample 1 .. Sample 2
224 ...... 203
256 ...... 218
231 ...... 229
222 ...... 230
248 ...... 211
283 ...... 230
241 ...... 209
217 ...... 223
240 ...... 219
255 ...... 236
216 ...... 227
208
214



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  • CreatedFebruary 19, 2015
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