SPC Control Properties Chart Tab Subgroup, Weight, and Length Fields

The Chart tab includes Subgroup, Weight, and Length fields.

These fields apply to the Moving Average and EWMA charts.

 Note: These fields are disabled for other SPC Charts. 

The following table represents the default value, ranges and applicability information.

 

 

Chart Type

Chart
Displayed

 

Subgroup

 

Length

 

Weight

Variable

Moving Range

Individual

1(default)

1

NA

 

Moving Average

Individual

1(default)

1 to 24
(default= 3)

NA

 

 

Subgroup

1 to 10

1 to 24
(default= 3)

NA

 

EWMA

Individual

1(default)

NA

0 to1
(default = 0.2)

 

 

Subgroup

1 to 10

NA

0 to1
(default = 0.2)

Attribute

EWMA

Individual

NA

NA

0 to1
(default = 0.2)

More information

Step 4. Configure SPC chart properties.