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:

Outsourcing

The practice of hiring external firms or individuals to perform services or create goods that traditionally were performed in-house.

Security Risks

Potential threats that could compromise the safety and security of individuals, data, or physical assets.

Service Risks

Service risks are potential threats or vulnerabilities that can affect the delivery or quality of services offered by a business or organization.

Organization's Culture

The shared values, beliefs, and practices that influence how members of the organization interact and work together.