Control Charts for Attributes

This menu plots a range of standard control charts for attributes. The type of charts available include the c or u charts representing numbers of defective items and p or np charts for binomial testing for defective items.

Control Chart

Specifies the type of control chart.

Number defective

Used to enter the name of a variate containing the number of defects per batch.

Number tested

Provides a space to enter a variate identifying the number of items in a batch.

Available Data

This lists data structures appropriate to the current input field. The contents will change as you move from one field to the next. Double-click on a name to copy it to the current input field; alternatively, you can type the name directly into the input field.

See Also