In Studying the Responses to a Multiple-Choice Test Question, the Following

question 21

Essay

In studying the responses to a multiple-choice test question, the following sample data were
obtained. At the 0.05 significance level, test the claim that the responses occur with the same
frequency. $$\begin{array} { r | c c c c c } \text { Response } & \text { A } & \text { B } & \text { C } & \text { D } & \text { E } \\\hline \text { Frequency } & 12 & 15 & 16 & 18 & 19\end{array}$$

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Definitions:

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing most of the eye's focusing power.

Pupil

The adjustable opening in the center of the eye that allows light to enter and reach the retina, varying in size to regulate the amount of light intake.

Lens

A piece of transparent substance, usually glass or plastic, that refracts or focuses light rays, used in optical devices like glasses or cameras.

Neural Impulses

Electrical signals that travel along neurons, facilitating communication within the nervous system.