Two accounting professors decided to compare the variance of their grading procedures. To accomplish this, they each graded the same 10 exams, with the following results: 
What is the null hypothesis?
Definitions:
Raw Material K
A specific, unidentified raw material that is utilized in the production process of goods.
Ending Inventory
The total value of all inventory a company has in stock at the end of an accounting period.
Cash Budget
A financial plan that estimates cash inflows and outflows over a specific period of time, often used by businesses to manage liquidity.
Cash Balance
The amount of cash or cash equivalents that a company or individual has on hand at any given time.
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