A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then, once the machine is running, a sample of six tubes is taken every three hours and weighed with the following results: 
What is the upper control limit (UCL) for the mean?
Definitions:
Personal Weaknesses
Refers to the individual flaws or limitations that can impact a person's behavior, decision-making, and effectiveness in various aspects of life.
Degrading Environment
The process of decline in the quality, health, or vibrancy of the natural environment due to factors such as pollution, deforestation, and climate change.
Bicycling
The act of riding a bicycle, a human-powered, pedal-driven vehicle with two wheels attached to a frame.
Asphalt Paving Industry
The sector involved in producing asphalt and constructing roads, parking lots, and other surfaces with asphalt.
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