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

question 109

Short Answer

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 is the value of the F test statistic for testing the block effects?

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Definitions:

Desired Rate of Return

The minimum rate of return on an investment that an investor considers acceptable, given its risk and alternative options.

Present Value Index

A ratio used to evaluate the relative profitability of an investment or project by comparing the present value of cash inflows to the present value of cash outflows.

Interest

The charge for borrowing money, typically expressed as an annual percentage rate, or the income earned from lending funds.

Annuity

A financial product that pays out a fixed stream of payments to an individual, typically used as an income stream for retirees.