Which Measure of Dispersion Disregards the Algebraic Signs (Plus and Minus)

question 137

Multiple Choice

Which measure of dispersion disregards the algebraic signs (plus and minus) of each difference
Between X and the mean?

• A) Standard deviation
• B) Mean deviation
• C) Arithmetic mean
• D) Variance

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Definitions:

Plasma Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the movement of substances in and out of the cell.

Potential Difference

Difference in electrical potential, measured as the charge difference across the plasma membrane.

Hyperpolarization

An increase in a cell's membrane potential, making it more negative and less likely to fire an action potential.

Voltage-Gated

Pertaining to ion channels that open or close in response to changes in membrane potential, crucial for nerve impulse conduction.