My friend Jim showed us how Nightingale presented her mortality statistics to the Army brass through the use of a rose diagram.
Her idea was to show the mortality rate of soldiers dying from infectious diseases dropped significantly from the winter of 1854 to the next winter as a result of the procedures she put in place. This was quite effective.
Most people (99.9% of the presenters using PowerPoint) would have just splashed the raw data on the screen and put the audience in a coma:
Nightingale did not do that. She was much smarter than 99.9 % of the presenters.
Another effective way to communicate Nightingale’s message to the brass would be through the use of a SIMPLE bar chart as shown below: