If a number greater than the mean of a series of observations is added to the series, the new mean is:

The measurement of GDP handles underground production by

A) including the amount produced in this sector of the economy in exactly the same way that all other production is included. B) omitting it because underground production is unreported to the government by the people involved. C) adding it at fixed prices that change only infrequently. D) adding an estimate of it because it is difficult to precisely measure underground production. E) omitting it because, being illegal, it has no effect on the nation's total production.

Some researchers argue that the American Revolution was probably inevitable. The most important factor, of those listed below, was/were

(a) prohibitions against trade with nations other than England and severe exploitation of the colonists under the Navigation Acts, which kept the standard of living low in the colonies. (b) excessive taxation which for generations kept the after-tax incomes of the colonists below those in England. (c) a series of revenue-raising measures imposed on the colonists at the end of the French and Indian War for the purpose of making the colonies more self-supporting. (d) British prohibitions against the use of slaves in the lands west of the original thirteen colonies.