William Has 20 Students Take a Test on Two Different

question 23

Multiple Choice

William has 20 students take a test on two different occasions. What would be the df if he wanted to compare the mean scores from both occasions?

• A) 39
• B) 38
• C) 19
• D) 18

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Definitions:

Organ of Corti

The Organ of Corti is the sensory organ located within the cochlea of the inner ear, responsible for converting sound vibrations into neural signals.

Decibels

A unit of measurement for the intensity of sound, representing the ratio of a sound pressure level to a reference level.

Hearing Loss

A complete or partial loss of the ability to perceive sound in either one or both ears.

Antipyretic

A type of medication used to reduce or prevent fever by lowering the body temperature.