Many urban areas suffer from ______ in the air because of the large concentration of vehicles and factories.

According to the Founders, which of the following pose the greatest dangers in a direct democracy?

a. Landlords and wealthy men b. Skillful orators and wealthy men c. Majority faction and landlords d. Landlords and skillful orators e. Skillful orators and majority faction

The median case for an ordinal level variable can be identified by adding _____ to the number of cases and dividing by _____.

a. two; one b. four; two c. one; three d. one; two