In June 2011, CBS News and the New York Times reported the results of a poll about problems and priorities for the U. S. In the poll, 979 U. S. adults answered the question, “What do you think is the most important problem facing this country today?” From a list of options, 53% of those polled said “economy/jobs.” This is an observational study designed to answer a question about a population. Who is the population?