Graphical presentation is always more understandable than textual and it's very useful to choose a right type of graph or chart as well.
v BAR CHART
Bar chart is very efficient way to present the data. Bar charts provide a graphical representation of categorical data. Bars showing the frequencies of data. Difference between bars is important. Class limits use to construct bars
Bar Chart use for discrete data.
Bar graph is use to comparisons among categories
A histogram is a graphical representation of the distribution of data. It is an estimate of the probability distribution of a continuous variable
Class boundaries use to construct the bars