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 upper control limit (UCL) for the mean chart?
Definitions:
Punishment
The imposition of a penalty as retribution for an offense, with the intention of discouraging undesirable behavior.
External Locus
The belief that one's outcomes or fate are controlled by external forces or the environment, as opposed to internal factors or personal effort.
African American
An ethnic group of Americans with total or partial ancestry from any of the black racial groups of Africa.
Guidance
Support or advice provided to someone to make decisions or to face problems or challenges.
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