Oil Quality and Price Quality of oil is measured in API gravity degrees--the higher the degrees API, the higher the quality. The table shown below is produced by an expert in the field who believes that there is a positive relationship between quality and price per barrel. 
A partial statistical software output follows:
{Oil Quality and Price Narrative} Calculate the Pearson correlation coefficient. What sign does it have? Why?
Definitions:
Profits
represents the financial gains obtained from business activities after subtracting all expenses.
Transactions
Agreements or exchanges between parties, often involving the sale, purchase, or trade of goods and services.
Joint Stock Company
A type of business entity owned by shareholders where the stock can be bought and sold on stock exchanges.
Perpetual Existence
A corporate structure characteristic where a company continues indefinitely, unless dissolved, regardless of changes in ownership or management.
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