The Sample Correlation Coefficient Between X and Y Is 0

question 18

Multiple Choice

The sample correlation coefficient between X and Y is 0.375. It has been found out that the p-value is 0.256 when testing H₀ : ? = 0 against the two-sided alternative H₀ :? ? 0. To test H₀ : ? = 0 against the one-sided alternative H₀ : ? < 0 at a significance level of 0.2, the p-value is

• A) 1 - 0.256/2.
• B) (0.256)2.
• C) 1 - 0.256.
• D) 0.256/2.

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Definitions:

Interest and Taxes

Interest and taxes are financial charges: interest is the cost of borrowing money, while taxes are mandatory contributions levied by governments on individuals and corporations.

NPV

Net Present Value (NPV) is a method used in capital budgeting to evaluate the profitability of an investment or project, by calculating the difference between the present value of cash inflows and outflows.

CCA Class

A grouping within the Canadian Capital Cost Allowance system used for categorizing depreciable assets for tax purposes.

After-tax Operating Income

The profit a company generates from its core business operations after taxes have been subtracted, excluding non-operating income and expenses.