The current constellation of power in the international system could best be described as a __________ system.

____________is the exact average deviation of data values from the mean in squared units, and ____________ is the approximate average deviation of data values from the mean in regular units

a. Standard deviation; variance b. Effect size; correlation c. Variance; standard deviation d. Negative correlation; positive correlation

Military contractors such as Blackwater USA, which the federal government hires to perform necessary tasks through contracts, are examples of

A. government corporations. B. independent regulatory agencies. C. line organizations. D. proxy administration. E. government-sponsored enterprise.