Capability Analysis Using Histograms

Jay Arthur
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KnowWare International, Inc.
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Do all of the bars of the histogram fit within the customer's specified upper and lower limits?
Yes - Continue to monitor the process.

Do only some of the bars of the histogram fit within the customer's specified limits?
Yes - Use the problem solving process to improve the process until the histogram will fit inside the customer's specified limits.

Are all of the bars of the histogram outside the customer's specified limits?
Yes - Use Benchmarking or QFD to reengineer the process.

• Watch video of how to create a histogram using the QI Macros
• Histogram Examples
• How to Determine Histogram Bin Interval
• Comparing Histograms
• Process Capability Analysis with Cp, Cpk, Pp, Ppk
• Frequency Histogram
• Cp, Cpk and other histogram formulas

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