TABLE 18-3 A Quality Control Analyst for a Light Bulb Manufacturer Is

question 4

Multiple Choice

TABLE 18-3
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 18-3,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)62.15
• B)60.95
• C)59.85
• D)58.75

---

Definitions:

Yardstick Approach

A method of performance evaluation using a standard measure or benchmark to compare against.

Criteria

Standards or principles by which something is judged or decisions are made.

Analytical Reports

Documents that present data analysis, findings, and recommendations based on systematic research.

Unsolicited Proposal

A proposal submitted to a potential client or partner without their request, often aiming to solve a problem or offer services.