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Western Electric 1#

Rule definition#

One point is more than three standard deviations from the centerline.

Rule Scope#

Indicator Scope Scope Type Chart Type Chart
Indicator1And2 All

Table: Western Electric 1 configuration used for scope resolution

Visual examples#

Indicator 1, Upper#

Western Electric 1 - Indicator 1 - Upper

Indicator 1, Lower#

Western Electric 1 - Indicator 1 - Lower

Indicator 2, point 1#

Western Electric 1 - Indicator 2 - Point 1

Indicator 2, point 2#

Western Electric 1 - Indicator 2 - Point 2