A Survey of 40 Students at a Local College Asks

question 73

Essay

A survey of 40 students at a local college asks, "Where do you buy the majority of your books?" The responses fell into three categories: "at the campus bookstore," "on the Internet," and "other." The results follow. Use Excel to estimate the proportion of all of the college students who buy their books on the Internet.

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Definitions:

Hot Spot

In geology, a hot spot is a location on the Earth's surface that has experienced volcanic activity due to a plume of hot material rising from deep within the Earth's mantle.

Geological Processes

Natural dynamic actions or events that result in the physical modification of the earth's surface, including erosion, sedimentation, and volcanic activity.

Fossilized

Fossilization refers to the process by which organic material is replaced by minerals, turning remains into stone over geological time.

Plate Tectonics

This is the scientific theory that explains the large-scale motion of Earth's lithosphere, which is divided into tectonic plates.