What Is the Relationship Between the Variance and the Standard

question 83

Multiple Choice

What is the relationship between the variance and the standard deviation?

• A) The standard deviation is the absolute value of the variance.
• B) The variance is the absolute value of the standard deviation.
• C) The variance is the positive square root of the standard deviation.
• D) The standard deviation is the positive square root of the variance.

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Definitions:

Cardiac Muscle

Muscle tissue found only in the heart, characterized by its ability to contract involuntarily and rhythmically.

Tetanic Contractions

Sustained muscle contractions that occur when the muscles do not relax between stimuli, leading to a smooth and steady contraction.

Depolarization

The process in which a cell's membrane potential becomes less negative, leading towards an action potential in nerve and muscle cells.

Heart Rate

is the number of heartbeats per unit of time, usually per minute, indicating cardiovascular fitness and overall health.