Foreign and domestic observers have long noted the propensity of Americans to form and join groups

Elitists generally argue that __________

a. all legitimate groups are able to affect public policy by one means or another b. corporations hold tremendous power c. the American political terrain is characterized by a dispersion of power d. the government is run for the benefit of all the people

The most commonly used measure of central tendency is the

A) Median. B) Mean. C) Mode. D) Meridian.