SCENARIO 11-8 an Important Factor in Selecting Database Software Is

question 146

Multiple Choice

SCENARIO 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 Scenario 11-8, what is the null hypothesis for testing the block effects?

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Definitions:

Facial Expressions

The movements or positions of the muscles beneath the skin of the face, serving as non-verbal communication signals of emotion.

Six Emotions

A concept referring to the theory that there are six basic emotions that are universally experienced in all human cultures: happiness, sadness, fear, anger, surprise, and disgust.

Stereotypes

Oversimplified generalizations about a group of people that often ignore individual differences and are sometimes inaccurate.