Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

35 We could show this data in a bar chart, but it would have a lot of bars! We can group them together so that we have fewer categories. When choosing intervals for the data sets make sure that ...

A histogram is a graph of data. It compares the distribution or frenquency of different values or ranges of values. In order to draw a histogram, a frequency table is needed.