Your first job is to make a graphical representation of the data. Many statisticians say that the first and most important step in analyzing any data is to make a graphical representation. How can a representation help you analyze the data? Use the Data Representation (CPM) or Representing Data (Shoder) tool to create histograms of the data, or look at the ones that your teacher displays for you. The bin size of each histogram should be 10 inches. Why is a histogram a good choice?