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

question 143

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, what is the critical range of the Studentized range distribution for the Tukey multiple comparison procedure at the 5% level of significance?

Differentiate between relational and nonrelational databases and their uses.

Acknowledge the importance and impact of Big Data and its characteristics.

Understand the selection criteria for database management systems (DBMS) and their tools.

Recognize the role of cloud services in database management and access.

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Definitions:

Public Interest

Refers to the common well-being or general welfare of the community, considered in policy-making and legal matters.

Norris-LaGuardia Act

A 1932 United States federal law that limited the use of court injunctions against non-violent labor disputes and marked a shift towards the protection of workers' rights to organize.

Unionization Efforts

Initiatives and campaigns aimed at forming or joining labor unions in order to secure better wages, working conditions, and benefits for workers.

Union Shop Agreements

Contracts requiring all employees of a business to join the union within a certain period of starting employment and to maintain membership as a condition of employment.