The Creation of the U

question 52

Multiple Choice

The creation of the U.S. Northern Command was important because it

• A) ultimately led to the creation of the Department of Homeland Security.
• B) unified, for the first time in American history, the Air Force, the Navy Department, and the War Department.
• C) breached the long-standing line between domestic law enforcement and foreign military operations for the first time.
• D) was the first time the Department of Defense had taken such an action without congressional approval.

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Definitions:

Factor

An element or constituent that contributes to a result or outcome.

Population Means

The average value of a characteristic in a population, and a parameter that is often estimated from sample data.

ANOVA

Analysis of Variance, a statistical method used to compare means of three or more samples, testing the hypothesis that all samples are taken from populations with the same mean.

Equal Variances

A statistical assumption that the variances of the items being compared are the same across all levels or groups.