A Mathematics Professor Gives Two Different Tests to Two Sections

question 107

Essay

A mathematics professor gives two different tests to two sections of his college algebra courses. The first class
has a mean of 56 with a standard deviation of 9 while the second class has a mean of 75 with a standard
deviation of 15. A student from the first class scores a 62 on the test while a student from the second class
scores an 83 on the test. Compare the scores.

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Definitions:

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.

Retina

The light-sensitive layer of tissue at the back of the inner eye that converts light images into neural signals sent to the brain.

Optic Disk

Area of the retina where the optic nerve exits the retina; lacks photoreceptors and so causes a blind spot.

Optic Pit

A small depression in the optic disc where nerve fibers exit the eye, contributing to the blind spot.