The U.S. Census Bureau divides the states in the United States into four regions: Northeast (NE), Midwest (MW), South (SO), and West (WE). The following table gives the region of each of the 50 states.

a. Determine a frequency distribution.
b. Obtain a relative-frequency distribution.
c. Draw a pie chart.
d. Construct a bar chart.

SO WE WE MW NE WE WE SO MW SO WE NE WE SO MW MW NE WE SO WE WE SO MW SO MW WE SO NE SO SO SO SO MW NE SO NE MW NE WE MW WE SO MW SO MW NE MW SO NE WE