The director of medical records conducts a monthly audit of 50 medical records to identify coding errors. The chapter 08.xls, Problem 08-02 tab records the data. National statistics indicate that approximately 15% of medical records contain errors, and in the past the director has found multiple errors in a single record. Create c charge to analyze performance. Interpret the departments performance based on your control chart and identify any issue that should be investigated. Is the Department doing a good job?

Chapter 8 - Statistical Process Control for Non-Conformities Problem 8.2 - Medical Records Errors n= 50 Month Errors Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan 10 Feb 8 Mar 7 Apr 11 May 12 Jun 8 Jul 12 Aug 8