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

question 18

Multiple Choice

If a qualitative 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:

Neuromuscular Junction

The synapse or interface between a neuron and a muscle cell, allowing for the transmission of a nerve impulse to trigger muscle contraction.

Synaptic Vesicles

Small sacs located in nerve terminals that store neurotransmitters released during synaptic transmission.

Synaptic Cleft

The small gap at a synapse between neurons, across which neurotransmitters travel to transmit electrical signals from one neuron to another.

Presynaptic Terminal

The part of a neuron that releases neurotransmitters to send signals to a neighboring post-synaptic cell.