A Researcher Calculates a Mean from a Sample of 21

question 107

Multiple Choice

A researcher calculates a mean from a sample of 21 people. In analyzing her data, she states the following hypotheses: H₀: μ = 16 and H₁: μ ≠ 16. For α = .05, which is an appropriate critical value?

• A) 1.725
• B) 2.086
• C) 2.093
• D) 2.131

---

Definitions:

Scala Tympani

A spiral-shaped canal in the inner ear that forms part of the cochlear duct, important for the transmission of sound vibrations.

Tectorial Membrane

The tectorial membrane is a structure in the inner ear of mammals that plays a crucial role in the hearing process by interacting with the hair cells of the organ of Corti.

Vestibular Membrane

A thin membrane that separates the perilymphatic space of the cochlea from the endolymphatic space, significant in the process of hearing.

Basilar Membrane

A membrane in the cochlea of the inner ear, playing a critical role in sound vibration analysis and hearing.