A national manufacturer of ball bearings is experimenting with two different processes for producing precision ball bearings. It is important that the diameters be as close as possible to an industry standard. The output from each process is sampled and the average error from the industry standard is calculated. The results are presented below. 
The researcher is interested in determining whether there is evidence that the two processes yield different average errors. Assume that the population standard deviations are equal. What is the computed value of t?
Definitions:
Primary Virtues
Fundamental qualities valued as good and desirable in a person, such as honesty and courage.
Plato
An ancient Greek philosopher who was a student of Socrates and teacher of Aristotle, known for his contributions to the foundation of Western philosophy.
Contemporary Virtue Theory
A modern philosophical movement that emphasizes virtues or moral character in determining ethical behavior.
Aristotle
A key figure in ancient philosophy, Aristotle's work covers various subjects including physics, metaphysics, poetry, theater, music, logic, rhetoric, politics, ethics, biology, and zoology.
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