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

question 119

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 analyst constructs an R chart to see if the variability in production times is in-control. What is the upper control limit for this R chart?

• A) 10.66
• B) 9.37
• C) 7.98
• D) 6.34

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Definitions:

Rapidly Accelerating Rate

A pace of change that is increasing swiftly and often unexpectedly, frequently used in the context of technology, growth, or environmental changes.

Verbal Immediacy

The use of language to express closeness and reduce the psychological distance between individuals.

Engage

To actively participate or become involved in an activity or interaction.

Compel

To force someone to do something through pressure, threats, or coercion.