Bar heights are scaled so the total area is 1, like a density.
The density as a limit of histograms
With few samples a histogram is ragged. As the sample grows it settles onto a smooth curve: the probability density of the population.
With few samples a histogram is ragged. As the sample grows it settles onto a smooth curve: the probability density of the population.
Bar heights are scaled so the total area is 1, like a density.