U.S. Unemployment rates for all residents 20 years old and older are given in the data table

Question:

U.S. Unemployment rates for all residents 20 years old and older are given in the data table as a percentage. The table does not include people who are not actively seeking employment. Give two reasons why a chi-square test is not appropriate for this set of data.

Female Male 2009 7.6 9.9 2011 7.9 8.9 2012 7.7 7.7