Match the items of List I with the items of List-II and choose the correct answer from the code given…
In Statistical Quality Control (SQC): the X̄ (Mean) chart monitors central tendency and variations *between* samples (a-ii); the p-chart monitors the fraction or proportion…
Choose your answer
Match the items of List I with the items of List-II and choose the correct answer from the code given below.
| List-I | List-II |
|---|---|
| (a) X̄ chart | (i) Number of defects |
| (b) P chart | (ii) Variations between samples |
| (c) C chart | (iii) Variations within samples |
| (d) R chart | (iv) Proportion of defectives |
Answer and explanation
Correct answer B
In Statistical Quality Control (SQC): the X̄ (Mean) chart monitors central tendency and variations *between* samples (a-ii); the p-chart monitors the fraction or proportion of defective items in a sample (b-iv); the c-chart monitors the number of defects per inspection unit (c-i); and the R (Range) chart monitors dispersion or variations *within* samples (d-iii).
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UGC NET Management