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

question 16

True/False

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, there is evidence of a significant difference in the mean amount of time needed to learn Brand A and Brand B at the 5% level of significance.

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Definitions:

Annuity

A financial product that pays out a fixed stream of payments to an individual, typically used as part of a retirement strategy.

Concept

An abstract idea or a general notion that forms the foundation of a project, strategy, or theory.

Semiannual Payments

Payments made twice a year, often in the context of loan repayments or interest payments.

Compounded Semiannually

A method of calculating interest where the interest earned over half a year is added to the principal, and the new total becomes the basis for the next round of interest calculation.