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

question 155

Essay

TABLE 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 Table 11-8, what are the degrees of freedom of the randomized block F test for the difference in the means at a level of significance of 0.05?

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Definitions:

Foregone Depreciation

The concept relating to the depreciation that could have been claimed for tax purposes but was not, often due to timing or election of different tax treatments.

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen.

Acquisition Cost

The total cost associated with acquiring a new asset or investment, including purchase price and all related expenses.

Historical Cost

An accounting principle that requires assets to be recorded at their original purchase price, without adjusting for inflation or changes in market value.