Ishikawa Diagram in Excel

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Ishikawa (Fishbone) Diagram in Excel

RECOMMENDATION

Use the Cause-Effect Diagram to identify the special root causes of delay, waste, rework, or cost.

Common Causes of Variation

Process Cause-Effect Diagram
Each step of the process is a major cause.

Generic Cause-Effect Diagram
People, process, machines, materials, and measurement are the major causes.

Custom Cause-Effect Diagram
Use the generic categories but adapt them to your process: service representative, service order, software systems, reference manuals, and access.

Special Causes of Variation

Manufacturing
Poor quality batches of material
Defective equipment
Untrained operators
Variation in methods

Service Delivery
Process
Support Systems
Materials
Training

Find out more about fishbones at: asq.org

The Ishikawa fishbone diagram is just one of the tools included in the QI Macros for Excel SPC Software for Excel.

Download the FREE 30-day Evaluation copy of the QI Macros Excel SPC Software for Six Sigma

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The QI Macros for Excel $139, is an inexpensive easy to use set of Excel add-ins for statistical process control and Lean Six Sigma. It draws line, pie, bar, pareto, box whisker, histogram (Cp, Cpk), scatter and control charts (with stability analysis).

It contains over 70 fill in the blank templates such as the Ishikawa diagram, QFD, DOE, FMEA, PPAP, and Gage R&R for MSA. Performs ANOVA, t-test, F-test, and regression analysis.

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