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 ________.

---

Definitions:

Sample Proportions

A statistic that represents the fraction of individuals in a sample that possess a certain attribute or characteristic.

Control Limits

Boundaries that define the range of acceptable variation in a process.

Centerline

In the context of statistical process control, it refers to the midpoint or average of the data on a control chart, used to assess process stability.

Assembly Line

A manufacturing process in which parts are added to a product in a sequential manner to create a finished product efficiently.