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Hypotheses and test statistic for top spas

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Reference no: EM131749229

Question: Hypotheses and test statistic for top spas. Refer to Exercise. State appropriate null and alternative hypotheses for this setting and calculate the value of W, the test statistic.

Exercise: Numbers of rooms in top spas. A report of a readers' poll in Condé Nast Traveler magazine ranked 36 top resort spas. Let Group A be the top-ranked 18 spas, and let Group B be the next 18 rated spas in the list. A simple random sample of size 5 was taken from each group, and the number of rooms in each selected spa was recorded. Here are the data:

Group A        552      448       68      243        30

Group B        329      780       560     540       240

Rank all the observations together and make a list of the ranks for Group A and Group B.

Reference no: EM131749229

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