If a Categorical Variable Has K Levels, the Number of Dummy

question 65

Multiple Choice

If a categorical variable has k levels, the number of dummy variables required is​

• A) ​k - 1.
• B) ​k.
• C) ​k + 1.
• D) ​2k.

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Definitions:

Response Tendencies

The habitual patterns or tendencies of an individual to react in a particular way to stimuli.

Specificity Theory

A theory suggesting that specific receptors in the body are responsible for specific sensations like pain.

Sensory Qualities

Sensory Qualities pertain to characteristics of objects or experiences as perceived by the senses, including taste, smell, touch, sight, and hearing.

Neurons

Nerve cells that are the basic building blocks of the nervous system, responsible for receiving sensory input from the external world, processing and transmitting information through electrical and chemical signals.