Ever made a column or bar chart represent some numerical data? Most people have. Most people would disagree with this definition, especially if you were to think about histograms in another way. Wikipedia states that a histogram can be represented in the following way: “Histogram is a graphical representation of the distribution of numerical data.” How To Make A Histogram In Excel What is a histogram? Creating a Histogram using FREQUENCY Function.Creating a Histogram using Data Analysis Toolpak.