Two Researchers Select a Sample for a Population with a Mean

question 43

Multiple Choice

Two researchers select a sample for a population with a mean of 12.4 and a standard deviation of 9.Researcher A selects a sample of 30 participants.Researcher B selects a sample of 40 participants.Which sample is associated with a smaller standard error?

• A)Researcher A's,because the sample size was smaller.
• B)Researcher B's,because the sample size was smaller.
• C)Researcher A's,because the sample size was larger.
• D)Researcher B's,because the sample size was larger.

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Definitions:

Biology

The scientific study of life and living organisms, including their structure, function, growth, origin, evolution, and distribution.

American Psychological Association

A professional organization representing psychology in the United States, promoting research, education, and clinical practice in the field.

William James

An American philosopher and psychologist, often referred to as the father of American psychology, known for his contributions to functionalism.

Margaret Floy Washburn

A prominent early American psychologist known for her work in animal behavior and motor theory development.