As such, data should be normally distributed (or transformed) when using control charts, or the chart may signal an ...

A three sigma limit is a statistical calculation that refers to data within three standard deviations from a mean. It shows ...

Youíll learn how to select the right attribute data control chart, and how to create those control charts. These include the NP Chart, the P Chart, the U Chart and the C Chart. To do this you must ...

The chief data reporter for the Financial Times discusses how he considers the use of text, color, and annotation to aid ...

The Run chart and the Control chart are similar, but there is some difference. A Run chart will help to monitor data over time to detach shifts, trends, or cycles. Run Charts will help to spot ...