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 relationship between quality and price per barrel. 
A partial Minitab output follows: 
{Oil Quality and Price Narrative} For what values of API gravity degrees do we feel comfortable making predictions for oil price?
Definitions:
Marginalized People
Individuals or groups that are denied access to various rights, resources, and opportunities, and are thus kept on the fringes of society.
Pollution
The introduction of contaminants into the natural environment causing adverse change, which can take the form of chemical substances or energy, such as noise, heat, or light pollution.
Nova Scotia
A province in eastern Canada, known for its coastline, maritime heritage, and as one of the four Atlantic provinces.
Cape Breton
is an island located on the Atlantic coast of Canada, known for its scenic beauty, cultural heritage, and economic challenges.
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