Sample size of 1 sq. meter in C Chart - Metrology & Quality Control

Q.  Sample size of 1 m2 is observed in which type of chart?
- Published on 07 Aug 15

a. C chart
b. P chart
c. nP chart
d. R chart

ANSWER: C chart


  • Sravanthi   -Posted on 27 Oct 15
    Sample size of different control charts is as specified below:

    1) Sample size of 1 m2 is observed in C and U charts.

    2) Sample size of 20, 25 upto 100 is observed in P and nP charts.

    3) Sample size of 4 or 5 is usually observed in R and X chart.

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