Shown below is a 2 x 3 table with observed values from a sample of 500. At α = .05 using the critical value approach, test for independence of the row and column factors. 
Definitions:
Variable Expenses
Costs that change in proportion to the activity of a business.
Sales
Revenue generated from the sale of goods or services to customers.
Fixed Expenses
Costs that do not change in total regardless of changes in the volume of production or sales.
Operating Results
A summary of a company's financial performance over a specified period, focusing on revenue, expenses, and net income.
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