A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this belief, the following data was collected: 
What is the value of the coefficient of correlation?
Definitions:
Government Policy
Official strategies or principles that a government adopts and implements to guide decisions and achieve rational outcomes.
Producer Surplus
The discrepancy in the expected versus actual earnings of sellers for goods or services.
Production Quota
A limit set by an organization or government on the amount of a product that can be produced.
Support Price
A price level set by the government or a regulatory body to stabilize or support the market price of a commodity.
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