Why does the margin of error decrease as the sample size n increases?

Are leather addicts products original or not?

Match each economist to his economic belief. a.) adam smith b.) friedrich von hayek c.) milton friedman d.) john manyard keynes 1.) less government intervention gives more people economic freedom. 2.) government should not control the money supply. 3.) government intervention is necessary for stability. 4.) competition is a regulatory force.

Sociology is best described as the systematic study of