OPERATION MANAGEMENT 评价人数不足
读书笔记 Supplement 6: SPC
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*Managerial Issues and the choice of Control Chart

Decision Process

OC Curve

Type I & Type II error.

OC Curve

其实很像AUC curve 都是基于binomial/ Poisson 分布

Control Charts for SPC help managers distinguish between natural and assignable variations. The x-chart and R-chart are used for variable sampling, and the p-chart and c-chart for attribute sampling. The Cpk index is a way to express process capability. OC curves facilitate acceptance sampling and provide the manager with tools to evaluate the quality of a production run or shipment.

Excel, Excel OM and POM may be used to develop control charts.

Excel also contains a build-in graphing ability with Chart Wizard.

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