TABLE 17-3 A Quality Control Analyst for a Light Bulb Manufacturer Is

question 86

Multiple Choice

TABLE 17-3
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 Table 17-3, suppose the sample mean and range data were based on 11 observations per day instead of 10. How would this change affect the lower and upper control limits of the R chart?

• A) LCL would increase; UCL would decrease.
• B) LCL would remain the same; UCL would decrease.
• C) Both LCL and UCL would remain the same.
• D) LCL would decrease; UCL would increase.

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Definitions:

Heuristics

Simple, efficient rules, either hard-coded by evolutionary processes or learned, that help in decision-making, discovering, learning, or problem-solving with incomplete information.

Algorithms

A set of rules or procedures for solving a problem in a finite number of steps, often used in mathematics and computer science.

Criterion

A standard or rule by which something can be judged or measured.

Evaluation Solutions

The process of critically assessing and determining the effectiveness of strategies, interventions, or programs to solve specific problems or meet objectives.