A Researcher Conducts a Study Measuring Differences in Brain Activity

question 20

Multiple Choice

A researcher conducts a study measuring differences in brain activity among rats placed on either a continuous or intermittent reward schedule.Assuming that the population variance is unknown,what type of t test is appropriate for this study?

• A) one-sample t test
• B) two-independent-sample t test
• C) There is not enough information to answer this question.

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Definitions:

Fixed Manufacturing Overhead

Costs associated with manufacturing that do not vary with the level of production, such as salaries of managers, rent of the factory, and depreciation of manufacturing equipment.

Budget Variance

The difference between budgeted figures for revenue or spending and the actual amounts incurred.

Machine-Hours

A measure of production time, calculated by the number of hours machines are operating as part of the manufacturing process.

Actual Output

The actual quantity of goods or services produced by a company within a specified timeframe.