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:

Aspartame

An artificial, low-calorie sweetener used in many soft drinks and food products as a sugar substitute.

Low-calorie

Describes food or beverages that contain a smaller amount of calories than what is considered typical or average.

Substitutes

Goods or services that can be used in place of each other, where an increase in the price of one leads to an increase in demand for the other.

Quantity Supplied

The total amount of a good or service that producers are willing and able to sell at a given price over a specified period.