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:

Lien

A legal right or claim against a property by a creditor, securing the payment of a debt or the performance of some obligation.

Secured Interest

An interest in personal property or fixtures that secures payment or performance to a creditor.

Consensual

Involving or based on mutual agreement or consent between the parties involved.

Statutory

Related to or enacted by a statute, referring to laws passed by a legislative body.