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

question 60

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 sample mean and range data were based on 6 observations per hour instead of 5.How would this change affect the lower and upper control limits of an R chart?

• A)LCL would increase; UCL would decrease.
• B)LCL would remain the same; UCL would decrease.
• C)Both LCL and UCL would remain the same.
• D)LCL would decrease; UCL would increase.

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Definitions:

Functionalism

A theoretical perspective in social science that emphasizes the societal structures which exist to maintain stability and order in society.

Symbolic Interactionism

A sociological perspective focusing on how individuals interact based on shared meanings and symbols, emphasizing the subjective aspects of social life.

Queer Theory

Argues that people’s sexual identities and performances are so variable that conventional labels such as “male,” female,” “gay,” and “lesbian” fail to capture the sexual instability that characterizes the lives of many people.

Societal Institutions

The structures and mechanisms of social order and cooperation governing the behavior of a set of individuals within a given human community.