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

question 100

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 chart to see if the production process is in-control. Which expression best describes this chart?

• A) In-control
• B) Increasing trend
• C) Hugging the center line
• D) Individual outliers

---

Definitions:

Recovery Phase

A period in the economic cycle where economic activity picks up and grows, following a recession or slowdown.

Business Cycle

The fluctuation of economic activity over time, including periods of expansion, peak, recession, and recovery.

Severe Recession

An intense period of economic decline, marked by significant drops in economic activity, employment, and consumer spending across multiple sectors.

WWII

World War II, a global conflict that lasted from 1939 to 1945, involved most of the world's nations, and was marked by significant battles across Europe, Asia, and the Pacific.