At that time, companies that had set about training their workforces in statistical quality control found that the complexity of the subject intimidated most of their workers and scaled back training to focus primarily on simpler methods which suffice for most quality-related issues.

The Project Management Institute references the seven basic tools in A Guide to the Project Management Body of Knowledge as an example of a set of general tools useful for planning or controlling project quality.

Cause and effect diagram (This is not precisely a statistical technique) 3.

Stratification 4.

Check sheet 5. Histogram.

Scatter diagram (analysis of correlation through determination of median; in some instances, use of binomial probability paper) 7.

Pareto diagrams. 2.

Cause-and-effect diagrams.

Histograms. 4. Control charts.

Scatter diagrams.

Graphs. 7. Checksheets.

In other words, intermediate and advanced statistical tools are needed in about only 5 of cases.

Improvementandinnovation.com.

London. Archived from the original on 19 October 2012.

As a result, people either feared or disliked quality control as something very difficult.

We overeducated people by giving them sophisticated methods where, at that stage, simple methods would have sufficed.

Kaizen (Kyzen): The Key to Japans Competitive Success (1st ed.).

New York: Random House.

Englewood Cliffs, New Jersey: Prentice-Hall.

A Guide to the Project Management Body of Knowledge (5th ed.).

Newtown Square, Pennsylvania: Project Management Institute.

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7 Qc Tools Pdf In Tamil Language