The Number of Dummy Variables Representing a Qualitative Variable Should

question 116

Multiple Choice

The number of dummy variables representing a qualitative variable should be:

• A)one less than the number of categories of the variable.
• B)two less than the number of categories of the variable.
• C)the same number as the number of categories of the variable.
• D)None of the above.

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Definitions:

Acetylcholine

A neurotransmitter responsible for stimulating muscle contraction in the peripheral nervous system and involved in memory, attention, and learning in the central nervous system.

Dopamine

A neurotransmitter involved in controlling movement, mood, and motivation, often associated with the body's reward system.

Proprioception

Perception of the position and movement of the body, limbs, and head.

Perception

Subjective interpretation of sensations by the brain.