What Is the Average Run Length (ARL)until An $\bar { x }$

question 26

Essay

What is the average run length (ARL)until an $\bar { x }$ control chart signals a false alarm if the control limits are set at $\pm$ 3 standard errors from the centerline?

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Definitions:

Exogamy

A social arrangement where marriage is allowed only outside a social group, clan, or tribe.

Endogamy

The practice of marrying within a specific social group, caste, or ethnic community, often to preserve cultural or religious identity.

Plural Families

Family structures that include more than two adult members in a domestic unit, often associated with polygamy or other forms of non-monogamy.

Anti-Miscegenation

Laws or practices that prohibit interracial marriage or cohabitation between different races.