In a sample of five trading days, the number of shares traded (in 1000s) for two particular stocks appears in the table.Compute the sample covariance for temperature and crime rate. 
Definitions:
Operations Strategies
Plans and policies designed to achieve the efficient and effective production and distribution of a company's products or services.
Strategic OM Decisions
Decisions in operations management that are concerned with long-term planning and involve the overall direction of the company, including choices related to the design of products and processes, location of facilities, and capacity planning.
Tariff Barriers
These are taxes or duties imposed on imported products by a country to protect its domestic industries from foreign competition or to generate revenue.
North America
A continent in the Northern Hemisphere that includes countries such as Canada, the United States, and Mexico.
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