Age of Forest and Diameter of Trees
A scientist is studying the relationship between age of a forest, x, in years and the average diameter of the trees, y, in cm. One study reported the following data. 
-Refer to Age of Forest and Diameter of Trees. Use a statistical software package of your choice and report the regression analysis results.
Definitions:
Tax Rate
The determined percentage of earnings that an individual or a corporation must contribute as tax.
Debt-equity Ratio
This ratio compares a company's total liabilities to its shareholder equity, indicating the relative proportion of shareholder equity and debt used to finance a company's assets.
Pre-tax Cost
This is the cost of an investment or financial activity before the application of taxes.
Cost of Equity
The return that investors expect for investing in a company's equity, often estimated using models like the Capital Asset Pricing Model (CAPM).
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