A hosptial administrator using statistical models and evidence based practice de

Question

A hosptial administrator using statistical models and evidence based practice decided that efficiencies were needed to improve operating room utilization. Basedon the current usage patterns the administrator closed one operating room on sunday nights. Which type of statistical data would have helved the administrator come to his decision? 1) data that show operating rom case mix index, 2) data that show surgical discounted fees for service. 3) data that show operating room usage variance status 4) data that show prospective and retrospective revenue

Explanation / Answer

Variance is a measurement of the spread between numbers in a data set. Variance shows how far is each measurement from the data mean.

In this case the operating room usage variance will show how the utilisation of the operating room varies from the mean for each data point, effectively helping in the decision.

Hence option 3) data that shows operating room usage variance status      will help the administrator to come to his decision.

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