Seven quality tools for controlling quality - Metrology & Quality Control

Q.  Who among the following suggested seven quality tools for controlling quality?
- Published on 07 Aug 15

a. Juran
b. Kaoru Ishikawa
c. Dr. W. Edward Deming
d. Feigenbaum

ANSWER: Kaoru Ishikawa

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    Discussion

  • Sravanthi   -Posted on 27 Oct 15
    Seven quality tools are suggested by Kaoru Ishikawa. These tools are used to solve industrial problems. They are as follows:

    1) Check sheets: It is a graphical method used for acceptance sampling

    2) Flowcharts: These charts enlist the sequence of operations that are used to transform input into an output which are suitable for next step.

    3) Histograms: It is a pictorial presentation of data showing variations in data.

    4) Pareto chart: These charts are based on 20-80 rule. This chart was propaged by Vilfredo Pareto

    5) Cause and effect diagram: These charts are used to study how an accepted part is produced.

    6) Scatter diagram: This diagram is a mathematical approach and is used to study correlation between factors which are related to each other.

    7) Control charts: These charts are used for statistical control of processes. These charts decide whether a process meets specified tolerances and runs in statistical control.

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