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?

---

Definitions:

Electrical Motor

A device that converts electrical energy into mechanical energy, commonly used in appliances, industrial equipment, and vehicles.

Manufacturing Overhead

includes all indirect costs associated with the production process, such as utilities, maintenance, and salaries of non-direct labor.

Standard Cost System

An accounting method that uses predetermined costs for product costing and decision-making purposes.

Standard Labor-Hours

The estimated amount of time that should be required to complete a task or produce a unit of goods.