Examination Times Narrative The Time Necessary to Complete an Examination Has a Mean

question 76

Essay

Examination Times Narrative
The time necessary to complete an examination has a mean of 45 minutes and a standard deviation of 4 minutes. The average time necessary for 64 randomly selected students is computed.
-Refer to Examination Times Narrative. Can we say that the sampling distribution of is approximately normally distributed? Why?

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Definitions:

Interventricular Septum

The wall of tissue that separates the right and left ventricles of the heart.

Mitral Valve

A valve in the heart located between the left atrium and left ventricle that allows blood to flow in one direction from the atrium to the ventricle.

Aorta

The largest artery in the body, which carries oxygenated blood from the heart to the rest of the body.

Tricuspid Valve

A valve in the heart that lies between the right atrium and the right ventricle, preventing backflow of blood from the ventricle to the atrium.