What is a control chart? We have already seen what a control chart is in an earlier short article. It helps the process owner to predict when his process is going to produce a defect. Control charts are made by drawing mean line and control lines superimposing the simple line chart of process data*. Here depending on the type of data we possess the type of control chart, and the process data will vary. What is I-MR Chart? I MR...

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