A Population Has a Standard Deviation of 25

question 60

Multiple Choice

A population has a standard deviation of 25. A random sample of 125 items from this population is selected. The sample mean is determined to be 325. At 95% confidence, the margin of error is

• A) 2.24.
• B) 5.
• C) 4.38.
• D) 11.18.

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Definitions:

International Diplomacy

The conduct of negotiations and the management of relations between nations by official representatives and diplomats.

Theodore Roosevelt

The 26th President of the United States (1901-1909), known for his exuberant personality, range of interests, and achievements, including the Panama Canal Treaty and Nobel Peace Prize.

President Wilson

Refers to Woodrow Wilson, the 28th President of the United States (1913-1921), known for his leadership during World War I and the establishment of the League of Nations.