Select tests for special causes for Acceptance Xbar Chart

Stat > Control Charts > Acceptance Charts > Xbar > Acceptance Xbar Options > Tests

Minitab provides one test for special causes for the Acceptance Xbar chart. By default, Minitab performs the test for points outside of the Acceptance Xbar chart control limits. Use the test to determine which observations to investigate.

In the drop-down list, specify whether to perform the test for special causes.

Tip

To change the default settings for future sessions of Minitab, choose File > Options > Control Charts and Quality Tools > Tests.

1 point outside of acceptance chart control limits: Identify subgroup means that are outside the Acceptance Xbar chart control limits.

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