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DeVry University (DeVry University, Keller Graduate School of Management)

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Week 4: Hypothesis Testing I: Basics and Confidence Intervals Discussion Case: Statistics in Action: Medicare Fraud Investigations (graded) Read the selection in your textbook pertaining to ... the Case: Statistics in Action: Medicare Fraud Investigations; load the data set for the case, MCFRAUD, into Minitab; answer the question about the case in the Discussion area; and likewise read and respond to the follow-on selections in the textbook for the case in the Statistics in Action Revisited. What is a point estimate of the mean overpayment? Responses Response RE: Statistics in Action Modified:1/24/2016 3:37 AM Author Lakesha Eaton a) The case was about the indictment of some medical practitioners who after thorough investigation by the USDOJ, it was discovered that they were guilty of medical fraud, to be specific they were guilty of "upcoding" which simply means they were coding their medical claims at a higher level of care or service than they actually provided to the patients. So basically the patients were overcharged for their services. b) A point estimate of mean overpayment is a way of estimating what the true mean of an overpayment is, while using the whole population of Medicare providers and utilizing just one sample. Using a sample of 52, the point estimate [Show More]

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