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 lower control limit (LCL) for this chart?
Definitions:
Core Characteristics
Fundamental attributes or qualities that define the essence of something or someone.
Interpersonal Characteristics
Traits and behaviors that determine how an individual interacts with others in social settings.
Social Aspects
The elements of life that involve the interactions between individuals and the cultural, social, and institutional structures in which they operate.
Critical Psychological State
A person's mental condition characterized by heightened awareness and optimal engagement in an activity.
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