Two movie reviewers gave their ratings (0 to 4 stars) to ten movies released this past month as follows: 
The rank order correlation is to be used.
What is the value of 
?
Definitions:
Repair and Maintenance
Expenses for fixing and maintaining assets to keep them in good working condition, often deductible for tax purposes.
Tax Court's Method
Procedures and legal principles used by the United States Tax Court to resolve disputes between taxpayers and the IRS.
IRS Method
Specific procedures or guidelines established by the Internal Revenue Service for filing taxes, calculating depreciation, or determining fair market value, among others.
Personal Use
The use of a property or asset for individual needs or enjoyment, as opposed to business or income-producing purposes.
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