Consider the following data values of variables x and y. 
a.Calculate the coefficient of determination,and describe what this statistic tells you about the relationship between the two variables.
b.Calculate the Pearson coefficient of correlation.What sign does it have? Why?
c.What does the coefficient of correlation calculated tell you about the direction and strength of the relationship between the two variables?
Definitions:
Gross Revenues
The total sales revenue of a company without any deductions.
Internal Rate
Often refers to the internal rate of return (IRR), a metric used in capital budgeting to estimate the profitability of potential investments.
Cash Inflows
The total amount of money being transferred into a business, usually from operating, investing, and financing activities.
Discount Rate
The rate applied within discounted cash flow analysis for assessing the present worth of forthcoming cash flows.
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