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

question 63

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, 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:

Risk-averse

Describes individuals or entities that prefer to avoid risk and choose the option with the least uncertainty and potential for loss.

Subjective Probabilities

Probabilities based on personal judgment and beliefs rather than objective data or mathematical calculations.

Blackjack

A casino card game where players attempt to reach a hand value as close to 21 as possible without exceeding it.

Standard Deviation

A statistical measure that quantifies the variation or dispersion of a set of data values.