Two accounting professors decided to compare the variation of their grading procedures. To accomplish this, they each graded the same 10 exams with the following results: 
What are the degrees of freedom for the denominator of the F ratio?
Definitions:
Judicial Approval
The official acceptance or endorsement of a legal process or decision by a court of law.
Video Surveillance
The use of video cameras to monitor activities in a particular area, often for security purposes.
GPS Tracking
The use of Global Positioning System technology to ascertain the precise location of a person, vehicle, or other asset to which it is attached.
Consent
An agreement or permission for something to happen or someone to do something, often given explicitly by speaking or writing.
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