Which Is True About a 95% Confidence Interval Based on a Given

question 101

Multiple Choice

Which is true about a 95% confidence interval based on a given sample?
I. The interval contains 95% of the population.
II. Results from 95% of all samples will lie in the interval.
III. The interval is narrower than a 98% confidence interval would be.

• A) I only
• B) None
• C) II only
• D) III only
• E) II and III only

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Definitions:

Observable Behavior

Actions or reactions of an individual that can be directly seen and measured.

American Psychologists

Professionals based in the United States specializing in the study of cognitive, emotional, and social processes and behavior by observing, interpreting, and recording how individuals relate to one another and their environments.

John B. Watson

An American psychologist who is considered one of the founders of behaviorism, emphasizing the importance of observable behaviors over internal states.

Introspective Study

A research approach focusing on the examination of one's own thoughts and feelings.