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?

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Definitions:

Machine-Hours

A measurement of the amount of time a machine is operated in a given period, used for allocating manufacturing costs to products.

Predetermined Overhead Rate

The predetermined overhead rate is calculated before a period begins and is used to estimate the manufacturing overhead cost to be allocated to individual units of production.

Manufacturing Overhead

Indirect factory-related costs that are incurred when producing a product, including costs related to maintenance, utilities, and equipment depreciation.

Direct Labor-Hours

A measure of the time workers or employees directly spend producing goods or performing services.