TABLE 18-4 A Factory Supervisor Is Concerned That the Time It Takes

question 104

Multiple Choice

TABLE 18-4
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 18-4,suppose the supervisor constructs an chart to see if the process is in-control.Which expression best describes this chart?

• A)Decreasing trend
• B)In-control
• C)Increasing trend
• D)Individual outliers

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Definitions:

Logical Structure

The arrangement and relationship of components within a statement or argument that determines its validity.

Premises

Statements or propositions that are assumed to be true and serve as the basis for a conclusion in an argument.

Dependent Premises

Premises in an argument that rely on each other for their validity; the truth of one is dependent on the other.

Pudding Recipe

A set of instructions for preparing pudding, including ingredients and steps involved in its cooking or assembly.