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.What is the upper control limit (UCL) for this chart?
Definitions:
Dismal Science
A nickname for economics, stemming from its predictions and analyses that often focus on the limitations and constraints of economic activities.
Average Workweek
The standard number of hours worked in a week by employees in a particular sector, industry, or economy.
Industrialized Countries
Nations characterized by significant industrial activity, a high level of development, and a strong economy.
Savings Rate
The percentage of disposable income that is set aside as savings instead of being expended on goods and services.
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