Eighteen Obese Volunteers Weighed Themselves Before and After a Two-Day

question 61

Multiple Choice

Eighteen obese volunteers weighed themselves before and after a two-day fast.The appropriate design for testing the significance of the difference between the means is

• A)related-samples t-test.
• B)independent-samples t-test.
• C)one-sample t-test.
• D)z-test.

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Definitions:

Contribution Format

A format for the income statement that divides variable costs from fixed costs to emphasize the contribution margin.

Fixed Expenses

Costs that do not vary with the level of output or sales, such as rent and salaries.

High-low Method

A technique used in accounting and finance to estimate variable and fixed costs based on the highest and lowest levels of activity.

Monthly Fixed Component

The portion of fixed costs, such as rent or salaries, that does not change with the volume of production or sales in a given month.