The Symbol σ Is Used to Represent

question 16

Multiple Choice

The symbol σ is used to represent

• A) the variance of the population.
• B) the standard deviation of the sample.
• C) the standard deviation of the population.
• D) the variance of the sample.

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Definitions:

Trigger Zone

The part of a neuron where an action potential is initiated, typically located at the axon hillock.

Stretch Reflex

A muscle contraction in response to stretching within the muscle, a fundamental reflex to maintain posture.

Sensory Neuron

Neuron that is activated when its receptor endings detect a specific stimulus, such as light or pressure.

Motor Neuron

A type of neuron responsible for conveying signals from the central nervous system to muscles, eliciting movement.