Instruction 18-9 A Quality Control Analyst for a Light Bulb Manufacturer Is

question 50

Multiple Choice

Instruction 18-9
A quality control analyst for a light bulb manufacturer is concerned that the time it takes to produce a batch of light bulbs is too erratic.Accordingly,the analyst randomly surveys 10 production periods each day for 14 days and records the sample mean and range for each day.
-Referring to Instruction 18-9,suppose the analyst constructs an chart to see if the production process is in control.What is the upper control limit (UCL) for this chart?

• A)60.95
• B)58.75
• C)59.85
• D)62.15

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Definitions:

High Blood Pressure

A chronic medical condition where the force of the blood against artery walls is too high, potentially leading to health problems.

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Having a strong desire to be more successful than others, often characterized by striving for achievement in situations of comparison or contest.

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A psychological condition in which an individual learns to believe they have no control over their situation, often leading to passivity and depression.

Coping Mechanism

A Coping Mechanism is a psychological strategy that individuals use to manage stress, cope with difficult situations, or regulate emotions.