A survey of property owners' opinions about a street-widening project was taken to determine if owners' opinions were related to the distance between their home and the street. A randomly selected sample of 100 property owners was contacted and the results are shown next. 
How many degrees of freedom are there?
Definitions:
Price Reduction
A decrease in the selling price of goods or services, often to increase demand or meet competitor pricing.
Traceable Fixed Expense
A fixed expense that can be directly linked to a specific department, product, or activity without any allocation.
Net Operating Income
The profit generated from a business's operations after subtracting operating expenses from operating revenues.
Price Hike
An increase in the price of goods or services, often due to higher production costs or increased demand.
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