A cumulative average recalculates a data ... have the average updated to reflect the new information. The resulting chart needs to automatically update to reflect the new average.

From that calculation you can then create a graph which shows the frequency distribution of the data you've collected. This is useful for analyzing data from a statistical perspective where you ...

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.

The table below shows the lengths of 40 babies at birth. To calculate the cumulative frequencies, add the frequencies together. A cumulative frequency diagram is drawn by plotting the upper class ...