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

question 103

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 upper-tail critical value of the Studentized range distribution for the Tukey multiple comparison procedure at the 5% level of significance?

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Definitions:

Fraternal Birth-Order Effect

A theory suggesting that the more older brothers a man has, the more likely he is to be homosexual, possibly due to biological factors affecting the mother's womb.

Gay

A term used to describe individuals who are emotionally, romantically, or sexually attracted to members of the same gender.

Cognitive Dissonance

The discomfort in one's mind arising from the coexistence of opposing beliefs, ideas, or values.

Physical Arousal

The physiological response of the body to stimuli, evident in signs such as increased heart rate, sweating, or rapid breathing.