A Sociologist Studying Freshmen at a Major University Carried Out

question 21

Multiple Choice

A sociologist studying freshmen at a major university 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 sociologist used an introductory sociology class to carry out the survey, instructing the students to participate only if they were freshmen. The sample consists of:

• A)the students enrolled in the class.
• B)the students who were in class for the survey and answered the survey questions.
• C)the freshmen at the university.
• D)the freshmen in the class who answered the survey questions.

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Definitions:

Bryophyta

A division of non-vascular land plants that are known as mosses, characterized by life-cycles with a dominant gametophyte stage.

Hepaticophyta

A division of non-vascular plants commonly known as liverworts, which are close relatives of mosses and hornworts.

Anthocerophyta

is a division of non-vascular plants that includes the hornworts, characterized by a sporophyte that grows from the gametophyte.

Lycopodiophyta

A division of vascular plants, often referred to as clubmosses, that reproduce through spores and do not have seeds.