How Can a Researcher Make a Non-Parametric Test More Powerful

question 7

Multiple Choice

How can a researcher make a non-parametric test more powerful (less likely to miss a true relationship between variables) ?

• A) Use a more rigorous rejection level such as .01 or .005.
• B) Use a larger research sample.
• C) Select the rejection region only after the results of the test are known.
• D) all of the above

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Definitions:

Break-even Point

The point at which total costs equal total revenue, resulting in no net loss or gain for the business.

Variable Cost

Costs that vary directly with the level of production or sales volume, such as raw materials and direct labor.

Fixed Costs

Costs that do not change in total despite changes in the volume of goods or services produced or sold.

Margin of Safety

The difference between actual or projected sales and the break-even point. It measures the amount by which sales can decline before a business incurs a loss.