If the Mean of a Normal Distribution Is Negative

question 85

Multiple Choice

If the mean of a normal distribution is negative,

• A)the standard deviation must also be negative
• B)the variance must also be negative
• C)a mistake has been made in the computations, because the mean of a normal distribution cannot be negative
• D)None of these alternatives is correct.

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Definitions:

Medial

Pertaining to or situated toward the midline of the body or a structure.

Exocrine Glands

Glands that release their secretions through ducts either to the external environment or into the digestive tract, unlike endocrine glands, which secrete hormones directly into the bloodstream.

Cystic Fibrosis

A genetic disorder that affects the respiratory, digestive, and reproductive systems, characterized by the production of thick, sticky mucus.

Dominant Gene

A gene that expresses its trait in the phenotype even when heterozygous, overshadowing the effect of a recessive gene if present.