In 2011, the national percent of low-income working families had an approximately normal distribution with a mean of 31.3% and a standard deviation of 6.2% (The Working Poor Families Project, 2011).Although it remained slow, some politicians claimed that the recovery from the Great Recession was steady and noticeable.As a result, it was believed that the national percent of low-income working families was significantly lower in 2014 than it was in 2011.To support this belief, a spring 2014 sample of n=16 jurisdictions produced a sample mean of 29.8% for the percent of low-income working families, with a sample standard deviation of 4.1%.Using =0.10 significance level, test the claim that the national average percent of low-income working families had improved by 2014.