Consider the following two samples: a. Show that both samples have the same mean and variance. b.

Question:

Consider the following two samples:

a. Show that both samples have the same mean and variance.

b. Use the Wilcoxon rank-sum test to test the null hypothesis that the population means are equal. What do you conclude?

c. Do the assumptions of the rank-sum test appear to be satisfied? Explain why or why not.

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Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

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Question Posted: Nov 16, 2018 05:18 AM

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Consider the following two samples: a. Show that both samples have the same mean and variance. b.

Question:

X: 0 2 3 4 10 20 40 100 1000 Y: -738 162 222 242 252 258 259 260 262

Step by Step Answer:

a Both samples have a mean of 131 and a variance of 107210 b The ranks of the combined samples a...View the full answer

Statistics For Engineers And Scientists

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