Determine the Evaluation Guideline That Applies Best in Questioning the Results

question 98

Multiple Choice

Determine the evaluation guideline that applies best in questioning the results of the described study.
-A reading teacher wanted to know how many books her students read over the summer. She asked the local
Librarian to keep a record for her. The record showed that 7 students checked out a total of 60 books. At the first
Faculty meeting she reported that, on average, students in her class read 8.6 books over the summer.

• A)Consider the measurement of the variable of interest.
• B)Consider the sampling method.
• C)Consider possible confounding variables.
• D)Consider the source.

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Definitions:

Return on Investment

A metric for assessing the effectiveness or gains of an investment, determined by dividing the net earnings by the investment's expense.

Minimum Return on Investment

The least amount of profit expected from an investment, below which an investment is not considered acceptable.

Investment Turnover

A measure of a company's ability to generate sales from its investment in assets, typically used to assess the efficiency of investment usage.

Profit Margin

A ratio of profitability calculated as net income divided by revenue, showing the percentage of each dollar of revenue that results in net income.