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: 
The calculated F ratio is ________.
Definitions:
Total Utility
The entire pleasure derived from using a certain aggregate quantity of a good or service.
Consumer Surplus
The difference between the maximum price consumers are willing to pay for a good or service and the actual price they do pay.
Marginal Utility
The additional satisfaction or utility gained from consuming one more unit of a good or service.
Total Utility
The total satisfaction received from consuming a certain amount of goods or services.
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