Hospital losses. A hospital struggling to contain costs investigates procedures on which

Chapter 0, Problem 11.46

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Hospital losses. A hospital struggling to contain costs investigates procedures on which it loses money. Government standards place medical procedures intoDiagnostic Related Groups (DRGs). For example, major joint replacements areDRG 209. The hospital takes from its records a random sample of 8 DRG 209patients each month. The losses incurred per patient have been in control, withmean $6400 and standard deviation $700. Here are the mean losses x for thesamples taken in the next 15 months:6244 6534 6080 6476 6469 6544 6415 66976497 6912 6638 6857 6659 7509 7374What does an x chart suggest about the hospitals losses on major jointreplacements? Follow the four-step process in your answer.

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