A Researcher Who Is Conducting an Opinion Survey Asks Viewers

question 241

Multiple Choice

A researcher who is conducting an opinion survey asks viewers who are watching a political debate to dial a 1-800 number and record their opinion to the "question of the day." In this case the researcher is likely to have

• A) a representative sample.
• B) a random sample.
• C) a biased sample.
• D) a random population.

---

Definitions:

Heartbeat

The rhythmic contraction of the heart, pumping blood through the circulatory system to provide oxygen and nutrients to the body.

Cerebrum

the largest part of the brain, responsible for voluntary activities, intelligence, learning, and perceptions of the senses.

Occipital

Pertaining to the occipital lobe, a region at the back of the brain responsible for processing visual information.

Cerebral Cortex

The outer layer of the brain's cerebrum, responsible for complex functions including thought, memory, and consciousness.