TABLE 17-9
The manufacturer of canned food constructed control charts and analyzed several quality characteristics.One characteristic of interest is the weight of the filled cans.The lower specification limit for weight is 2.95 pounds.The table below provides the range and mean of the weights of five cans tested every fifteen minutes during a day's production.
-Referring to Table 17-9,an 
chart is to be used for the weight.The center line of this chart is located at ________.
Definitions:
Perception
The process through which people receive, organize, and interpret information from the environment.
Self-serving Bias
The common tendency to attribute one's successes to personal characteristics and failures to external factors.
False Confidence
An unfounded belief in one's abilities or outcomes, which can lead to taking undue risks or making poor decisions.
Glass Ceiling Effect
An invisible barrier limiting career advancement of women and members of visible minorities.
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