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.
There are how many degrees of freedom?
Definitions:
Period
A specific timeframe for which financial statements are prepared or accounting transactions are evaluated.
Raw Materials Inventory Turnover
A ratio showing how many times a company’s raw materials inventory is used and replenished over a specific period.
Inventory Turnover
A ratio showing how many times a company's inventory is sold and replaced over a specific period, indicating efficiency in sales and inventory management.
Compute
To calculate or process using a computer or mathematical operations.
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