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 R chart to see if the variability in production times is in-control.What is the upper control limit for this R chart?
Definitions:
Popular Democrat
A member or supporter of the Democratic Party who is widely favored or well-liked by the general public or within the party.
Ideological Label
A term used to categorize political beliefs, parties, or individuals based on their fundamental values and principles.
Communitarian
A philosophical and social movement that emphasizes the importance of community in the functioning of political life, often prioritizing communal goals over individual ones.
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