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

question 49

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, the amount of total variation or SST is ________.

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Definitions:

Organize

The act of arranging or structuring things in a systematic way for efficiency or order.

Socio-Emotional Selectivity Theory

The theory that older people prioritize regulation of their own emotions and seek familiar social contacts who reinforce generativity, pride, and joy.

Generativity

A concern for establishing and guiding the next generation, typically observed during middle adulthood.

Regulation

The act of controlling or governing according to rules or laws.