The best way to present attribute data is with a control chart known as an attribute chart. There are four types of attribute charts. These are n charts, c charts, np charts, and u charts.

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 ...

Control charts that display attribute data count the number of items or occurrences in a sample and assign as pass/fail, yes/no or presence/absence of a defect.

A common form of the quality control chart is the x-bar (denoted as x̅) chart, where the y-axis on the chart tracks the degree to which the variance of the tested attribute is acceptable. The x ...

Type II error- concluding a process is in control when it is not . Variables- generate data that are measured . Attributes- generate data that are counted . Mean control chart- control chart used to ...

Variable data is any kind of information that is represented and recorded as measurements. The term is often used when ...