Which of the Following Statements About the Mean Is Not

question 175

Multiple Choice

Which of the following statements about the mean is not always correct?

• A) The sum of the deviations from the mean is zero.
• B) Half of the observations are on either side of the mean.
• C) The mean is a measure of the middle (center) of a distribution.
• D) The value of the mean times the number of observations equals the sum of all of the observations.
• E) The sum of the deviations from the mean is zero and half of the observations are on either side of the mean.

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Definitions:

Allergy

An immune system response to a foreign substance that's not typically harmful to the body.

Chronic Obstructive Pulmonary Disease

A group of lung diseases that block airflow and make it difficult to breathe, including emphysema and chronic bronchitis.

Circulatory

Related to the circulatory system, which involves the heart and blood vessels, responsible for transporting nutrients, gases, and waste products throughout the body.

Primary Acute Histoplasmosis

An initial infection caused by inhaling the spores of the fungus Histoplasma capsulatum, often resulting in respiratory symptoms.