A Z-Score of 0 in a Normal Distribution Indicates That

question 14

Multiple Choice

A z-score of 0 in a normal distribution indicates that a person

• A) did better than 50% of the sample taking the test
• B) did better than 84% of the sample taking the test
• C) did better than 68% of the sample taking the test
• D) scored roughly 50% correct on the test

---

Definitions:

Basilar Membrane

A membrane in the cochlea of the inner ear that plays a key role in the sense of hearing by vibrating in response to sound and facilitating auditory processing.

Lower Frequency

Refers to sounds or waves that have a lower rate of vibration, and thus a deeper pitch or longer wavelength.

Higher Frequency

Refers to a greater number of cycles or events per unit time, often used in the context of waves or signals.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that plays a key role in the process of hearing by converting sound waves into nerve impulses.