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:

Risky Investments

Investments that carry a high degree of risk, potentially leading to loss of principal, but also offering the chance of higher returns.

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Expensive Neighborhoods

Areas or localities where the cost of living, including housing, is significantly higher than the average.

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Athletes who earn a living playing football within leagues and competitions governed by a professional body, showcasing high skill levels and dedication.