The table below shows the lengths (in cm) of 32 cucumbers. To calculate the cumulative frequencies, we simply add the frequencies in turn as we go down the values in the table.

A cumulative frequency table shows a running total of the frequencies. A cumulative frequency diagram reproduces this table as a graph. The table below shows the lengths of 40 babies at birth. To ...

Bar Chart: a chart with horizontal bars that show frequencies or percentages for the categories. It is a graphical equivalent of a summary table. Chartjunk: a chart that has unnecessary details. It ...