Obama Vote Breakdown. The popular vote received by Barack Obama in the 2012 presidential e...

Obama Vote Breakdown. The popular vote received by Barack Obama in the 2012 presidential election can be divided according to gender and party as follows (vote counts in millions are approximate).

a. Show how a three-circle Venn diagram can be used to display the data in the table. Which regions of the diagram are not used? Label the regions, and insert the numbers in the correct regions.

b. Show how all regions of the diagram below can be used to display the data in the table. Label the regions, and insert the numbers in the correct regions.