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

question 106

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 estimated relative efficiency?

---

Definitions:

Vascular Cylinder

In eudicots, the tissues in the middle of a root, consisting of the pericycle and vascular tissues.

Root Hairs

Thin, hair-like extensions from the root of a plant that increase surface area for water and nutrient absorption.

Aboveground

Referring to the portion of a structure, plant, or other object that is visible or located above the surface of the soil.

Sclerenchyma Cells

Thick-walled, lignified plant cells that provide structural support and are typically found in regions of plants that are no longer expanding.