Part I - Exploring Data with Histograms The United States provides a robust opportunity to compare information organized by state, including population, average annual household income, high school graduation rates, and more. Many educators have worked hard to try to figure out how to improve the percentage of students graduating high school. They need to look at a wide variety of data, to try to discover what might be impacting graduation rates in a given state. 1) Create a pie chart of the "Region" variable. Make sure to give the pie chart a title. Insert your pie chart into the Answer template. Answer the following questions: a) What does each pie "slice" represent? b) What percentage of the states in the data are in the Western region? 2) Next, create a histogram of the "Population" variable. Answer the following questions: a) What is listed on the horizontal axis? What are the units? b) Create a histogram that will let you answer the question What percentage of states have a population of 16 million people or less? Insert that histogram into your answer template and explain what you did to create the histogram, and why it allows you to answer the