A t-test uses the ___________ distribution to test statistical significance.

The awareness of relative deprivation in developing countries has been elevated by

a. the advent of satellite television and the Internet. b. the downturn in the global economy. c. the rise in international travel. d. the growing global famine.

According to the text, the Supplemental Poverty Measure (SPM) accounts for all of the following expenses except ______.

A. childcare B. taxes C. medical expenses D. discretionary expenses