Histograms
You will make use of a histogram to plot or summarize your set of masses of the Z0 boson, or any other quantity shown in the tabs of the histogram pane. A histogram is just a way of displaying how many times a certain value of a certain measured variable occurred. The width or RMS of the histogram is connected via the Heisenberg uncertainty principle to the lifetime of the short-lived particle.
Due to some incompatibilities between java and OSX, mac users should prefer this version (low resolution) or this version (high resolution).