TABLE 17-4 A Factory Supervisor Is Concerned That the Time It Takes

question 59

Short Answer

TABLE 17-4
A factory supervisor is concerned that the time it takes workers to complete an important production task (measured in seconds) is too erratic and adversely affects expected profits. The supervisor proceeds by randomly sampling 5 individuals per hour for a period of 10 hours. The sample mean and range for each hour are listed below.
She also decides that lower and upper specification limit for the critical-to-quality variable should be 10 and 30 seconds, respectively.
-Referring to Table 17-4, what is the value of d₂ factor?

---

Definitions:

Testator

An individual who has made a will or given a testament, especially as it pertains to the disposition of their property after death.

Attestation

The act of witnessing or affirming the truth of a document or event often through a formal declaration or certification.

Valid Will

A legally recognized document in which an individual outlines how their property should be distributed upon their death.

Signature Requirement

Refers to the legal or procedural need for a document to be signed in order to be considered valid and enforceable.