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13.11 The metal body for a spark plug is made by a combination of cold extrusion and machining. The occurrence of surface cra

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Sampling and charting was continued on the next shift, and the data for the next 15 samples are as shown in the table below.

Number of Defectives Number of Defectives Sample 26 27 28 29 30 Sample 34 35 36 37 38 39 40 32

math   Statistics-And-Probability   
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Contro imits fon p-chart The frachon de fechve. Pi- d ni eshimatc of tha populatiom frachon defechve P ia A kter caculating a0-0-0 2.-S263eve fove ae can take LCL O Here all-the-poinh are-Lies uithin . control 一 therefor proces--is, in-cor the combrol.chart fo Neut conuhnucl chart fon newly mples Thene foe, the sampu no. 26, 22,34,36 hent fex tha process is out of canso.

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