The Variance of a Distribution Is

question 45

Multiple Choice

The variance of a distribution is

• A)the squared standard deviation.
• B)the most frequently occurring score.
• C)the typical amount of deviation from a mean score.
• D)a negative number describing how much a score deviates from a mean score.

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Definitions:

Mole

A mole is a unit of measurement used in chemistry to quantify the amount of substance, equivalent to approximately 6.022 x 10^23 particles, atoms, molecules, ions, or electrons.

Gas

One of the four fundamental states of matter with indefinite shape and volume, composed of molecules in constant random motion.

Gas Law

Mathematical relationships that describe the behavior of gases, relating pressure, volume, temperature, and amount of gas.

Sodium Azide

A chemical compound with the formula NaN3, used as a preservative in labs and as a propellant in airbag inflators.