A Metal-Cutting Operation Has a Target Value of 20 and Consistently

question 171

Multiple Choice

A metal-cutting operation has a target value of 20 and consistently averages 19.8 with a standard deviation of 0.5. The design engineers have established an upper specification limit of 22 and a lower specification limit of 18. Which statement concerning this process is True?

• A) The process capability ratio is 1.46.
• B) The process capability index is 1.33.
• C) The process is in control.
• D) None of these is True.

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Definitions:

Biodiversity

The variety of life in all its forms, levels, and combinations, including ecosystem diversity, species diversity, and genetic diversity.

Lake Zone

An area or region surrounding or within a lake, characterized by distinct ecological and environmental attributes.

Benthic Zone

refers to the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers.

Littoral Zone

The littoral zone is the area of a lake or ocean shore that is close to the shore, often characterized by shallow waters, where sunlight reaches the bottom allowing aquatic plants to grow.