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

question 18

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 R chart to see if the variability in collection times is in-control.What is the center line of this R chart?

• A)20.00
• B)20.56
• C)20.40
• D)24.00

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Definitions:

Behavioral Component

A part of a psychological model that deals with actions or reactions of an organism in response to external or internal stimuli.

Emotion

A complex state of feeling that results in physical and psychological changes that influence thought and behavior.

Affect

Encompasses the experience of feeling or emotion, which can influence thoughts and behaviors.

Mood

A feeling state that is not clearly linked to some event.