Histogram Vs Bar Chart. A histogram is the graphical representation of data where data is grouped into continuous number ranges and each range corresponds to a vertical bar. Bar charts should be used to explain how much stuff there is in different categories and categories are qualitative.
Conversely a bar graph is a diagrammatic comparison of discrete variables. A bar graph is the graphical representation of categorical data using rectangular bars where the length of each bar is proportional to the value they represent. Bar Chart Vs Histogram.
The area of each bar in a histogram should be proportional to the data.
A histogram represents the frequency distribution of continuous variables. Bar charts should be used to explain how much stuff there is in different categories and categories are qualitative. It is used to compare the frequencies of data ranges or values that are consecutive and do not overlap. However Histograms created by Microsoft Excel have space between two bars.