Which of the following best describes correlation? correlation measures how much a change in the explanatory variable causes a change in the response variable. correlation measures the strength of the linear relationship between two quantitative variables. correlation measures the strength of the linear association between two categorical variables. correlation measures the strength of the relationship between any two variables.

In the wake of the civil war, compared to the south the north had sustained very little destruction. had to create a new labor system. had more economic challenges. had to repair damaged property.

Multiple-choice the word "democracy" means: (a) "rule by the people" (b) "minority rule" (c) "individual rights" in a democracy, election results are protected against dishonesty by: (a) laws (b) customs (c) values the type of government in which the people are represented by elected officials is sometimes called a: (a) monarchy (b) republic (c) totalitarian state in most democracies, the only legal requirements for voting or holding public office are based on age, residence, and: (a) religion (b) citizenship (c) personal wealth in an election, political parties give voters a choice among candidates who tend to represent different: (a) ethnic groups (b) religious groups (c) interests and points of view

Countries that are neither core nations nor peripheral nations