A Sociologist Studying Freshmen Carried Out a Survey, Asking (Among

question 2

Multiple Choice

A sociologist studying freshmen carried out a survey, asking (among other questions) how often students went out per week, how many hours they studied per day, and how many hours they slept at night. The table below provides the answers on the time slept and the time spent studying. Is there an association between the number of hours studied and the number of hours slept?

• A)Yes, because the proportions sleeping less than 6 hours increases as the number of hours studied increases.
• B)No, because there is no reason to sleep less if a student studies more.
• C)No, because a sleep-deprived student cannot study many hours.
• D)Yes, because the more a student studies, the less time there is for sleeping.

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Definitions:

Ionization Potential

The amount of voltage or potential that must be applied to cause ionization of a gas.

Atmospheric Pressure

The pressure exerted by the weight of the atmosphere at any given point, usually measured in millibars (mb) or atmospheres (atm).

Voltage

An electrical measurement of potential difference, electrical pressure, or electromotive force (EMF).

Cuprous Cyanide

A chemical compound used to electroplate copper to iron.