"Americans in this decade are less likely than in the prior decade to say they want to lose weight, with the average dropping from 59% in 2000-2009 to 53% in 2010-2016. The percentage of Americans wanting to lose weight is now back to where it was in the 1990s, but still well above the 35% average that Gallup measured in the 1950s." (Source) An objective of this study is to test a claim about a population mean test a claim about a population proportion estimate a population mean estimate a population proportion