Why Does Sampling from a Population Introduce Uncertainty into the Sample

question 43

Multiple Choice

Why does sampling from a population introduce uncertainty into the sample estimates?

• A) variation in samples drawn from the population
• B) systematic error in samples drawn
• C) changes in population due to time
• D) estimates different from population statistics

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Definitions:

Eating Disorders

Disorders characterized by abnormal or disturbed eating habits, which can include anorexia nervosa, bulimia nervosa, and binge-eating disorder.

Self-induced Vomiting

The act of purposely vomiting to relieve discomfort, avoid weight gain, or as a symptom of an eating disorder, such as bulimia nervosa.

Russell's Sign

Physical indications on the knuckles or hands caused by repeated self-induced vomiting, characterized by callouses or scars.

Lanugo

Fine, soft hair that covers the body of a fetus or newborn, serving as a form of protection.