A statistics instructor wants to examine the relationship between the hours a student spends studying for the final exam (Hours)and a student's grade on the final exam (Grade).She takes a sample of five students. 
a.Compute the sample correlation coefficient.
B)Specify the competing hypotheses in order to determine whether the hours spent studying and the final grade are correlated.
C)Calculate the value of the test statistic and approximate the corresponding p-value.
D)At the 10% significance level,what is the conclusion to the test? Explain.
Definitions:
Economies of Scale
The cost advantage achieved when production becomes efficient, as the scale of the production increases, the cost per unit of the product decreases.
Total Logistics Cost
The overall expenses associated with the planning, implementing, and controlling of goods’ movement, including transportation, inventory, warehousing, and order processing costs.
Facilities
Physical locations and infrastructures, such as factories, warehouses, and offices, where business operations occur.
Supply Chain Network
A complex system of organizations, people, activities, information, and resources involved in moving a product or service from supplier to customer.
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