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:

Iteration Structure

A programming construct used to repeat a block of code multiple times until a specified condition is met, examples include for, while, and do-while loops.

Sequence

An ordered collection of objects or values where each item is identifiable by its position within the collection.

Selection

A programming construct that allows for choosing between two or more paths of execution based on conditions.

Invocation

The act of calling or executing a procedure, function, or method in programming.