If a Qualitative Variable Has Three Categories, How Many Dummy

question 51

Multiple Choice

If a qualitative variable has three categories, how many dummy variables are needed?

• A)0
• B)1
• C)2
• D)3
• E)4

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Definitions:

Desktop Videoconferencing Systems

Technology platforms that enable users to conduct face-to-face meetings via computer, using video and audio, even when participants are in different locations.

Virtual Teams

Groups of individuals who work together from different geographic locations, connected through technology.

Data Sharing

The practice of making data available to other individuals or organizations for analysis or decision-making.

Desktop Videoconferencing Systems

Technology platforms that enable real-time video communication and collaboration between individuals or groups using desktop computers.