Answer the Question. -A Teacher Gives the Same Math Exam to Two Different

question 142

Multiple Choice

Answer the question.
-A teacher gives the same math exam to two different classes. The second class has more students than the first. The mean score for the first class is 70% and the mean score for the second class is
90%. What can you say about the mean score for both classes combined?

• A)It is equal to 80%.
• B)It may be higher or lower than 80%, this cannot be determined from the information given.
• C)It is higher than 80%.
• D)It is lower than 80%.

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Definitions:

Conduction Hearing Loss

A type of hearing loss caused by problems with the ear canal, ear drum, or middle ear that impede the conduction of sound to the inner ear.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is essential for hearing, where sound vibrations are converted into nerve impulses.

Temporal Lobe

A region of the cerebral cortex involved in processing auditory information and encoding memory.

Eardrum

A slender barrier that delineates the outer from the middle ear, moving in accordance with sound vibrations.