datands
datands
22.04.2021 • 
Mathematics

The House of Bolts is one of the largest producers of industrial (Class III) bolts. The bolts are sampled daily with a sample size of 500. The bolts are inspected for thread engagement and overall design. A nonconforming bolt would display an irregular bolt size or poor thread engagement. The control chart shows the fraction of nonconforming bolts per sample size. Create a p chart with the following data. Assume assignable causes and revise the chart. Subgroup Number 13 500 I=Is|olo[. Number Number Fraction Inspected (n) | Nonconforming (np) | Nonconforming (p) 500 0.026 500 0.010 500 0.022 0.012 500 0.004 500 0.016 500 0.016 500 0.006 500 0.020 500 500 0.010 0.024 500 0.022 500 0.010 500 500 0 500 0.014 0.018 500 0.020 500 0.012 10,000 500 Ô· | 500 18 19 20 Total 131

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