TABLE 14-4 A Factory Supervisor Is Concerned That the Time It Takes

question 92

Multiple Choice

TABLE 14-4
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 14-4, suppose the supervisor constructs an chart to see if the process is in control. What are the lower and upper control limits of this chart?

• A) 10.00, 30.00
• B) 8.49, 32.03
• C) 5.39, 35.13
• D) 4.96, 35.56

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Definitions:

Recursive Presentation Model

A method of presenting information that involves repeatedly revisiting and refining ideas based on feedback and further reflection.

Nonlinear Presentation Model

A method of presenting information that allows for navigation through the content in a non-sequential order, often enhancing engagement and understanding.

Analyzing Audience

The process of examining and understanding the characteristics, needs, and preferences of the intended recipients of a message or product.

Effective Closing

This refers to the final part of a communication or presentation that is designed to reinforce the main message and motivate the audience to take a desired action.