We Have Calculated a Confidence Interval Based on a Sample

question 62

Multiple Choice

We have calculated a confidence interval based on a sample of size n = 100. Now we want to get a better estimate with a margin of error that is only one-fourth as large. How large does our new sample need to be?

• A) 400
• B) 1600
• C) 50
• D) 200
• E) 25

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Definitions:

Principle Of Autonomy

The ethical principle that recognizes an individual's right to make their own choices and decisions without coercion.

Beneficence

The ethical principle of doing good and preventing harm.

Specialty Guidelines

Set of professional standards developed to guide practitioners in various fields, ensuring their services are conducted with expertise, ethics, and responsibility.

Forensic Psychology

An area of specialization in psychology that focuses on the application of research and practice to matters of law, including proceedings in criminal or civil courts or in front of quasi-judicial bodies such as administrative boards and tribunals.