The Amount Spent on Textbooks for the Fall Term Was

question 125

Multiple Choice

The amount spent on textbooks for the fall term was recorded for a sample of five hundred university students. The mean expenditure was calculated to be $500 and the median expenditure was calculated to be $425. Which of the following interpretations of the median is correct?

• A) The average of the textbook costs sampled was $425
• B) The most frequently occurring textbook cost in the sample was $425
• C) 50% of the students sampled had textbook costs equal to $425
• D) 50% of the students sampled had textbook costs that were less than $425

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Definitions:

Vena Cava

A large vein carrying deoxygenated blood into the heart; there are two in humans, the superior vena cava and the inferior vena cava.

Capillaries

Microscopic blood vessels that connect arterioles and venules, facilitating the exchange of water, oxygen, carbon dioxide, and other substances between blood and tissues.

Capillaries

Tiny blood vessels that connect arterioles and venules, facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and tissues.

Osmotic Pressure

The pressure required to prevent the flow of a solvent into a solution via osmosis.