Category: Statistics

Frequency Polygons

A frequency polygon is a line graph that is based on a frequency table. Frequency polygons are similar to histograms. Here is an example below.

Box Plots

Box plots are used to represent the 5 data items listed below graphically, which are: Lowest value in the dataset Lower Quartile (LQ) Median Upper Quartile (UQ) Highest value in. read more…