The file ElectricConsME contains the electric power consumption data (kWh) of 44 randomly selected four-member households from Saudi Arabia and the United Arab Emirates.

Use the following class interval widths for each distribution:

Saudi Arabia: 10,000 but less than 20,000; 20,000 but less than 30,000; and so on.

United Arab Emirates: 0 but less than 10,000; 10,000 but less than 20,000; and so on.

a. Construct percentage histograms on separate graphs and plot the percentage polygons on one graph.

b. Plot cumulative percentage polygons on one graph.

c. Which country’s families use more electric power—Saudi Arabia or the United Arab Emirates? Explain.