Use appropriate nonparametric test at alpha of 0.05 for testing whether the lengths of stay are the same for patients of same diagnosis.
Suppose we want to compare the length of stay(in days) in the hospital for patients with same diagnosis at two different hospitals. We randomly selected 11* such patients for 1st hospital and 13 such patients at the second hospital and recorded their length of stay (in days). The results for these independent populations are shown as follows:
*Fixed the typo, was not ten patients at 1st hospital but 11 per the count of data below for first hospital. Nothing else was changed, but the item with * on it in above paragraph.
1st Hospital: 21, 10, 32, 60, 8, 44, 29, 5, 13, 26, 33
2nd Hospital: 86, 27, 10, 68, 87, 76, 125, 60, 35, 73, 96, 44, 238
Use appropriate nonparametric test at alpha of 0.05 for testing whether the lengths of stay are the same for patients of same diagnosis.
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