ebook -process capability

Something Powerful

Report and Interpret Cpk and Ppk Values More Accurately

A well thought-out approach to capability analysis is critical to providing high quality products.  This eBook provides helpful tips to ensure your process capability metrics are accurate. Considerations include:

  • Is Your Process Normal? Try pairing a hypothesis test with any conclusions made from a visualization
  • What if My Data are Nonnormal? Learn about the reasons this might occur
  • Must I Assume a Distribution? When extreme outliers exist, a distribution-free approach may be the best option
  • Which Approach Should I Choose? Three general approaches exist for handling nonnormal data when estimating capability
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