Essay
The management of Regional Hospital has made substantial improvements in their hospital and would like to test and determine whether there has been a significant decrease in the average length of stay of their patients in their hospital. The following data has been accumulated from before and after the improvements. At 95% confidence, test to determine if there has been a significant reduction in the average length of stay.
a.Formulate the hypotheses.
b.Compute the test statistic.
c.Using the p-value approach, test to see if the average length of stay in RFH is significantly less than the average length of stay in GH. Let = 0.05.
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