Random samples were drawn from four independent populations. The results are shown in the accompanying table. a.

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Random samples were drawn from four independent populations. The results are shown in the accompanying table.

a. Specify the competing hypotheses to test whether some differences exist between the medians.
b. Calculate the value of the test statistic H.
c. Approximate the p-value.
d. At the 1% significance level, do some medians differ? Explain.

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Business Statistics Communicating With Numbers

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Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: Dec 20, 2016 10:00 AM

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Random samples were drawn from four independent populations. The results are shown in the accompanying table. a.

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10 -15 5 10 Sample 1 Sample 2 Sample 3 Sample 4 2 3 4 5 6 2 5 4 7 8 10 13

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a b Pooled Sample Origin Sample Ranks Sample 1 Ranks Sample 2 Ranks Sample 3 Ran...View the full answer

Business Statistics Communicating With Numbers

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