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:

Maladaptive Trait

A trait or behavior that was once advantageous but has become counterproductive to an individual's well-being or survival in the current environment.

Gene Pool

The complete set of genetic information within all the individuals of a population, species, or group.

Disk Pecking

A behavior observed in birds, such as chickens, where they peck at small disks or spots, often used in studies of animal learning and cognition.

Innate Releasing Mechanisms

Built-in neural and physiological systems in animals that trigger specific responses to particular stimuli, facilitating instinctual behavior.