Pie charts are drawn as a circle representing all ... to the proportions of the different quantities shown. The following table shows where a group of pupils went for their summer holidays.The ...

With the advent of relatively large classes of students studying arithmetic in common schools, educators began to prepare special charts to assist in instruction. By 1900, these could be quite ...

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.