TABLE 17-4 A Factory Supervisor Is Concerned That the Time It Takes

question 43

Multiple Choice

TABLE 17-4
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 17-4,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:

Empower Employees

The act of giving staff the authority, resources, and freedom to make decisions and contribute to the company's goals in meaningful ways.

Minimal Supervision

Working conditions where employees carry out tasks with little to no direct oversight or guidance from superiors.

Decision-making Process

The series of steps or stages involved in selecting the best action among various alternatives to solve a problem or achieve an objective.

Contingency Plan

A predefined strategy or set of procedures to be implemented in response to possible future events or circumstances.