A Manufacturer of Windows Produces One Type That Has a Plastic

question 82

Multiple Choice

A manufacturer of windows produces one type that has a plastic coating.The specification limits for the plastic coating are 30 and 70.From time to time the plastic coating can become uneven.Therefore,in order to keep the coating as even as possible,thickness measurements are periodically taken at four different locations on the window.15 subgroups were observed,each consisting of four thickness measurements,with the following results: mean of the means = $\overline {\overline{ x } }$

= 50.05,and average range of 8.85.Calculate the control limits for the R chart.

• A)[3.07,14.63]
• B)[6.57,11.13]
• C)[0,35.40]
• D)[0,20.20]

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Definitions:

Moral Reasoning

The process of determining right from wrong in a given situation by applying ethical principles and moral values.

Kohlberg

Refers to Lawrence Kohlberg, an American psychologist best known for his theory of stages of moral development.

Sense of Identity

The perception of oneself as a distinct, continuous entity with a set of beliefs, attributes, and values.

Erikson

Erik Erikson was a developmental psychologist and psychoanalyst known for his theory on the psychosocial development of human beings.