A Researcher Uses an Anonymous Survey to Investigate the Study

question 55

Multiple Choice

A researcher uses an anonymous survey to investigate the study habits of American college students.Based on the set of 56 surveys that were completed and returned, the researcher finds that these students spend an average of 4.1 hours each week working on course material outside of class.For this study, the set of 56 students who returned surveys is an example of a(n) _______.

• A)parameter
• B)statistic
• C)population
• D)sample

---

Definitions:

ADH Levels

Concentration of Antidiuretic Hormone in the bloodstream, which regulates water balance in the body by controlling the amount of water reabsorbed by the kidneys.

Water Content

The amount of water present in a substance, organism, or environment, critical for maintaining life and chemical reactions.

Stretch Receptors

Sensory receptors that sense muscle stretch and contraction, thereby providing feedback to maintain posture and balance.

Atrial Natriuretic Hormone

A hormone secreted by the heart's atria that regulates blood pressure, blood volume, and the balance of fluids and electrolytes in the body.