Ten students from a large lecture course were randomly sampled to see how many hours they studied for the final exam and their grade on the final exam.The professor wants to conduct a linear regression to determine if there is an association between the amount of time spent studying and the student's grade on the exam.Several plots are shown below. 
Definitions:
World Price
The international market price of a good or service, determined by global supply and demand conditions.
Import
The process of bringing goods or services into a country from abroad for sale.
Export
The process of sending goods or services produced in one country for sale in another country.
Labor-Abundant
Describes an economy or sector that has a relatively high supply of labor compared to capital.
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