Author Question: A survey sample should represent all elements of a population __________ their population ... (Read 67 times)

londonang · **on:** Jul 10, 2018

A survey sample should represent all elements of a population __________ their population percentages.

a. in exact proportion to
b. in rough proportion to
c. in inverse proportion to
d. in primary proportion to
e. in secondary proportion to

Question 2

Which organization began the court case that became known as Brown v. Board of Education of Topeka and represented Brown before the U.S. Supreme Court?

a. Urban League
b. American Jewish Congress
c. Southern Christian Leadership Conference
d. NAACP
e. American Civil Liberties Union