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A population that consists of 250 items has a mean of 37 and a standard deviation of 13. A sample of size 5 is taken at random from this population. The standard error of the sample mean equals (up to three decimal places) :
ROTC
A college-based program for training commissioned officers of the United States Armed Forces.
Nikita Khrushchev
A Soviet leader during the Cold War, known for de-Stalinization, the Cuban Missile Crisis, and his role in the space race.
Cuban Missile Crisis
A 13-day confrontation in October 1962 between the United States and the Soviet Union over Soviet ballistic missiles deployed in Cuba, considered the closest the Cold War came to escalating into a full-scale nuclear war.
Vienna
The capital city of Austria, known for its cultural contributions, historical significance in European politics, and as the host of major international diplomatic events.
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