The average length of stay of a sample of 20 patients discharged from a general hospital was
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The average length of stay of a sample of 20 patients discharged from a general hospital was 7 days with a standard deviation of 2 days. A sample of 24 patients discharged from a chronic disease hospital had an average length of stay of 36 days with a standard deviation of 10 days. Assume normally distributed populations with unequal variances.
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Related Book For 
Biostatistics A Foundation For Analysis In The Health Sciences
ISBN: 9781118302798
10th Edition
Authors: Wayne W. Daniel, Chad L. Cross
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