Last week’s post, “A Histogram is NOT a Bar Chart ”, explained that bar charts were used for comparing categorical variables and that histograms were used to show the distributions of binned ...

This is a whole lesson introducing the topic of Histograms. I have a follow-up lesson building upon this one by interpreting histograms and solving problems. This lesson is ready to go, with no prep ...

Plotting the frequency of data falling within numeric ranges illustrates the diversity of your data. As an example, a teacher might wish to calculate and display her students' grades by tabulating the ...