Which of the Following Is Not a Property of Variance

question 36

Multiple Choice

Which of the following is not a property of variance?

• A) The units of variance are the squares of the units of the original data.
• B) The value of the variance is always positive or 0.
• C) The sample variance is a biased estimator of the population variance.
• D) The value of the variance is zero only when all of the data values are the same number.

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Definitions:

MAO Inhibitors

A class of antidepressant drugs that work by inhibiting the activity of monoamine oxidase, an enzyme responsible for breaking down neurotransmitters in the brain.

Tricyclics

A class of antidepressant drugs that are used to treat depression by affecting neurotransmitter levels in the brain, also known for their effectiveness in treating other mood disorders.

Antidepressant Drugs

Medications prescribed to relieve symptoms of depression by adjusting the chemical imbalances of neurotransmitters in the brain.

Tricyclic Drug

A class of antidepressant medication characterized by its chemical structure, which includes three rings; used to treat depression and certain other conditions.