Weekly earnings for workers. The table in the next column lists the median weekly earnings (in dollars) for full-time wage and salary workers over the years 2010–2019, categorized by gender.

a. Compute a simple index for the weekly earnings of male workers over the period 2010–2019. Use 2010 as the base year. Do the same for women workers.

b. Plot the two simple indexes on the same graph and interpret the results.

c. Compute a simple composite index for male and female weekly earnings over the 2010–2019 period. Use 2010 as the base year.

d. Plot the simple composite index on a graph and interpret the results. Year Men Women 2010 824 670 2011 831 683 2012 854 691 2013 861 706 2014 870 719 2015 894 726 2016 915 749 2017 941 770 2018 973 788 2019 1003 813 Source: Bureau of Labor Statistics, US Department of Labor.