The T Test for the Mean Difference Between Two Related

question 12

Multiple Choice

The t test for the mean difference between two related populations assumes that the

• A) sample variances are equal.
• B) population sizes are equal.
• C) population of differences is approximately normal or sample sizes are large enough.
• D) all of the above

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Definitions:

Hearing Loss

A decrease in the ability to perceive sounds, ranging from mild to profound, which may affect one or both ears.

Olfaction

The sense of smell, one of the five senses.

Olfactory Epithelium

A specialized epithelial tissue inside the nasal cavity responsible for detecting odors, comprised of olfactory receptors and supporting cells.

Nasal Cavity

The large air filled space above and behind the nose in the middle of the face, involved in breathing and olfaction.