A new printing machine is set or calibrated to print 25 copies per minute. On each of four days, the printer's output is measured five times. The data will be used to construct a process control chart to monitor the printing process. The results of the printing process are in the following table. 
What is the value for the lower control limit (LCL) of the range chart?
Definitions:
Happiness
A state of well-being and contentment, often associated with positive emotions and life satisfaction.
Sadness
A emotional state of feeling sorrowful, unhappy, or disappointed, often as a response to an unpleasant event or situation.
Concrete Goal
A specific, measurable, and clearly defined objective or target.
Abstract Goal
A goal that is not concrete or specific, often related to ideas or concepts rather than tangible outcomes.
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