SCENARIO 11-8 An Important Factor in Selecting Database Software Is the Time

question 20

Multiple Choice

SCENARIO 11-8
An important factor in selecting database software is the time required for a user to learn how to use the system.To evaluate three potential brands (A,B and C) of database software,a company designed a test involving five different employees.To reduce variability due to differences among employees,each of the five employees is trained on each of the three different brands.The amount of time (in hours) needed to learn each of the three different brands is given below:
Below is the Excel output for the randomized block design:

-Referring to Scenario 11-9,in the context of this study,interpret the statement: "Subject visibility and test taker success interact."

• A)The difference between the mean feedback time for visible and nonvisible subjects depends on the success of the test taker.
• B)The difference between the mean feedback time for test takers scoring in the top 20% and bottom 20% depends on the visibility of the subject.
• C)The relationship between feedback time and subject visibility depends on the success of the test taker.
• D)All of the above are correct interpretations.

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Definitions:

Equity Multiplier

A financial ratio that measures the proportion of a company's total assets financed by its shareholders' equity.

Return On Equity

Return on Equity (ROE) measures a company's profitability by calculating how much profit a company generates with the money shareholders have invested.

Total Asset Turnover

A financial ratio that measures how efficiently a company uses its total assets to generate sales revenue.

Total Assets

The sum of all assets owned by an entity, including both current and non-current assets, reflecting the total resources at its disposal.