If a Researcher Decreases the Confidence Level from 99% to 90

question 65

Multiple Choice

If a researcher decreases the confidence level from 99% to 90%, the confidence interval for the mean is ______.

• A) widened
• B) unchanged
• C) narrowed
• D) restricted

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Definitions:

Mutually Exclusive

Conditions or events that cannot occur simultaneously or be true at the same time.

Elastic Clause

A provision in the U.S. Constitution that grants Congress the power to pass all laws necessary and proper for carrying out its enumerated powers, also known as the Necessary and Proper Clause.

Article I

This is the first section of the U.S. Constitution, which establishes the legislative branch of the federal government, the Congress.

Enumerated Powers

Specific powers granted to Congress as outlined in the United States Constitution.