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- In statistical quality control, the np-chart is a type of control chart used to monitor the number of nonconforming units in a sample. It is an adaptation of the p-chart and used in situations where personnel find it easier to interpret process performance in terms of concrete numbers of units rather than the somewhat more abstract proportion. The np-chart differs from the p-chart in only the three following aspects: 1.
* The control limits are , where n is the sample size and is the estimate of the long-term process mean established during control-chart setup. 2.
* The number nonconforming (np), rather than the fraction nonconforming (p), is plotted against the control limits. 3.
* The sample size, , is constant. (en)
- Diagram np adalah jenis diagram kontrol yang digunakan di dunia industri atau bisnis untuk memonitor proporsi dari dalam sebuah sampel. Seperti halnya diagram p, diagram np juga hanya mengakomodir inspeksi dengan dua keputusan, "OK / Gagal", "Bagus / Jelek". Yang membedakan dengan diagram p adalah, diagram np tidak menghitung proporsi ketidaksesuaian tersebut. (in)
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- 2304 (xsd:nonNegativeInteger)
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- Np control chart.svg (en)
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- Number nonconforming per unit (en)
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- Diagram np adalah jenis diagram kontrol yang digunakan di dunia industri atau bisnis untuk memonitor proporsi dari dalam sebuah sampel. Seperti halnya diagram p, diagram np juga hanya mengakomodir inspeksi dengan dua keputusan, "OK / Gagal", "Bagus / Jelek". Yang membedakan dengan diagram p adalah, diagram np tidak menghitung proporsi ketidaksesuaian tersebut. (in)
- In statistical quality control, the np-chart is a type of control chart used to monitor the number of nonconforming units in a sample. It is an adaptation of the p-chart and used in situations where personnel find it easier to interpret process performance in terms of concrete numbers of units rather than the somewhat more abstract proportion. The np-chart differs from the p-chart in only the three following aspects: (en)
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- Diagram np (in)
- Np-chart (en)
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