A Manager Wishes to Build a 3-Sigma Range Chart for a Process

question 51

Multiple Choice

A manager wishes to build a 3-sigma range chart for a process. The sample size is five, the mean of sample means is 16.01, and the average range is 5.3. From Table S6.1 in the text, the appropriate value of D₃ is 0, and D₄ is 2.115. The UCL and LCL for this range chart are

• A) 33.9 and 11.2.
• B) 33.9 and 0.
• C) 11.2 and 0.
• D) 6.3 and 0.
• E) 31.91 and 0.11.

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Definitions:

Step-Down Method

A cost-allocation method used in cost accounting to allocate costs of departments to products or services.

Administration Department

The division within an organization responsible for overseeing general operations and administrative tasks.

Facilities Department

A department within an organization responsible for the management and maintenance of buildings, grounds, and other physical infrastructures to support operational needs.

Employee Time

The amount of work time provided by employees, often tracked for payroll, productivity analysis, and costing purposes.