Social Security is the foundation of economic security for millions of Americans—retirees, disabled persons, and families of retired, disabled or deceased workers. This means that today's workers pay Social Security taxes into the program and money flows back out as monthly income to beneficiaries.
The correct answer is simple random sampling. This is
defined as a subset of the statistical population by which each member of the
subset has the a probability of being able to be equally chosen compared to
other kind of sampling.
