A Researcher Uses a Repeated-Measures Study to Compare Two Treatment

question 42

Multiple Choice

A researcher uses a repeated-measures study to compare two treatment conditions with a set of 20 scores in each treatment.What would be the value of df for the repeated-measures t statistic?​

• A)​df = 18
• B)​df = 19
• C)​df = 38
• D)​df = 39

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Definitions:

Average Fixed Cost

The fixed costs of production divided by the quantity of output produced, indicating the cost per unit.

Average Total Cost

The total of all costs (fixed and variable) divided by the total output produced, representing the per-unit cost on average.

Contribution Format

A type of income statement where fixed and variable costs are separated to calculate contribution margin.

Traditional Format

A method of organizing income statement or other financial statements using a conventional structure, typically separating costs into fixed and variable categories.