Using the Wilcoxon Rank Sum Test, analyze the following data for evidence that population B is different from population A.
|
A
|
B
|
|
207
|
224
|
|
212
|
225
|
|
216
|
228
|
|
219
|
232
|
|
222
|
234
|
|
225
|
236
|
|
228
|
237
|
|
230
|
245
|
|
239
|
261
|
|
241
|
273
|
|
254
|
277
|
|
256
|
285
|
Give the sum of ranks for sample B.
Give the value of the Z-statistic based on the sum of ranks
Which of the following correctly describes the p-value for the test statistic
What is the decision at the .05 significance level?