1.2 Poverty and age The Current Population Survey (CPS)

is a survey conducted by the U.S. Census Bureau for the Bureau of Labor Statistics. It provides a comprehensive body of data on the labor force, unemployment, wealth, poverty, and so on. The data can be found online at www.census.gov/cps/. The 2014 CPS ASEC (Annual Social and Economic Supplement) had redesigned questions for income that were implemented to a sample of approximately 30,000 addresses that were eligible to receive these. The report indicated that 21.1% of children under 18 years, 13.5% of people between 18 to 64 years, and 10.0% of people 65 years and older were below the poverty line. Based on these results, the report concluded that the percentage of all people between the ages of 18 to 64 in poverty lies between 13.2% and 13.8%. Specify the aspect of this study that pertains to

(a) description and

(b) inference.