Select the Sample Most Representative of the Population of Interest

question 71

Multiple Choice

Select the sample most representative of the population of interest in
-A researcher wishes to determine the average number of text messages per month sent by high school students who have cell phones.

• A) Ask a random sample of 100 students how many text messages they send.
• B) Ask a random sample of 100 students with cell phones how many text messages they send.
• C) Interview 100 students in the mall who are seen talking on their cell phones.
• D) Randomly select the cell phone records of 100 high school students.

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Definitions:

Atypical Schizophrenia

A form of schizophrenia that does not quite fit the standard symptoms and classifications, often including unusual or less common features.

Manic Episode

A period of abnormally elevated mood, energy, and activity levels, characteristic of bipolar disorder.

Severe

Used to describe a condition, situation, or event that is intensely or extremely bad or serious.

Nicotine Dependence

A condition of addiction to the nicotine contained in tobacco products, leading to compulsive use.