After World War II, the victors of the war established an international arena for exercising traditional diplomacy and promoting world peace, known as the __________, which now has 189 members

Which Supreme Court case did Brown v. Board of Education overturn?

A. Gideon v. Wainwright B. Loving v. Virginia C. Brown v. Board II D. Plessy v. Ferguson

Variability of scores is measured by all of the following EXCEPT the

A) Standard deviation. B) Range. C) Variation coefficient. D) Variance.