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

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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