Click on the horizontal axis to select points for a frequency distribution. The frequency distribution is given in the data table, and the corresponding histogram is shown in the graph box. The class width (and hence the number of classes) can be varied with the scroll bar. The vertical axis can be selected as either frequency or relative frequency from the list box.
Different sets of summary statistics can be selected from a list box:
In each case, the statistics are displayed graphically and are given in the data table.