In a Left-Tailed Test Comparing Two Means with Unknown Variances

question 13

Multiple Choice

In a left-tailed test comparing two means with unknown variances assumed to be equal,the test statistic was t = -1.81 with sample sizes of n₁ = 8 and n₂ = 12.The p-value would be:

• A) between .025 and .05.
• B) between .01 and .025.
• C) between .05 and .10.
• D) Must know  to answer.

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Definitions:

Perilymph

The fluid located within the labyrinth of the inner ear, playing a crucial role in hearing and balance.

Bony Ossicles

Small bones, often found in the middle ear, that aid in hearing.

Oval Window

A membrane-covered opening that connects the middle ear to the inner ear, facilitating the transmission of sound vibrations.

Eardrum

A thin membrane that separates the external ear from the middle ear, and vibrates when sound waves hit it, aiding in hearing.