A New Machine Is Set or Calibrated to Fill Tubes

question 44

Multiple Choice

A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then, once the machine is running, a sample of six tubes is taken every three hours and weighed with the following results: What is the value of A₂, the control limit factor for averages?

• A) 0
• B) 1
• C) 0.577
• D) 0.483

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Definitions:

Avascular

Referring to tissues or spaces within the body that lack blood vessels, and therefore receive limited blood supply.

Circumferential

Referring to or encompassing the outer boundary or edge of an area or object.

Concentric

Characterized by common center points; in muscle terms, a type of contraction where muscles shorten while generating force.

Interstitial

Referring to the spaces or interstices between tissues or organs in the body, often associated with fluid.