Statistical Process Control I - Introduction (1-day)

Part of our Six Sigma program.


Dr. Wayne A. Taylor

Course Description

Statistical Process Control (SPC) has proven itself an easily implemented and effective tool in minimizing and controlling process variability.  The reduction of process variability is the key to quality improvement and profitability.  SPC provides important tools for tracking and reducing variability.  This course introduces, in an easy to understand fashion, the two basic tools of SPC, namely capability studies and control charting.  It also teaches how to effectively implement SPC in a manufacturing plant.  The focus of this 1-day course is capability studies. The course Statistical Process Control II – Trending Data covers trending in greater detail.  The focus is manufacturing.  Trending of complaint data is the focus of the course Trending of Quality Data.

The class is hands on. Several exercises involve the actual collection and analysis of data generated in class.  The course is also full of practical advice on how to effectively utilize SPC.  Four detailed cases studies demonstrate the proper role of SPC and potential pitfalls to avoid along with where capability studies and control charts fit into the Six Sigma Design and Six Sigma Improvement processes.  Much of the material is from the book Optimization & Variation Reduction in Quality 

What You Will Learn

  • How to perform capability studies
  • How to calculate and interpret capability indices such as Pp, Ppk, Cp and Cpk
  • What six sigma quality is and how it relates to capability studies
  • How to construct and interpret control charts
  • How to select the best control chart for the job at hand
  • How to observe trends and patterns on a control chart and detect instabilities in the process
  • The three uses of control charts and how to determine if you are using them effectively
  • How to manage process improvement through variation reduction using SPC and Capability Studies
  • The best-demonstrated practices for implementing SPC and the pitfalls
  • How to evaluate the effectiveness of an SPC implementation

Primary Audience

This course is intended for managers, supervisors and engineers who want to implement SPC in their facility or organization. Previous exposure to the normal distribution and standard deviations is helpful.

Course Outline

  1. Introduction
  2. Capability Studies
  3. Pp, Ppk, Cp, Cpk and Six Sigma
  4. Uses of Capability Studies
  5. Control Charts
  6. Uses of Control Charts
  7. Individuals Control Charts
  8. Change-Point Analysis



Course Materials

Participants receive a comprehensive course manual.

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