Stem-and-leaf plots can be really helpful in visually interpreting data. This tutorial introduces you to stem-and-leaf plots, shows you how to use this special type of graph, and explains some of the popular uses. Take a look!
Looking for info on histograms? Check this out:
Being able to disect a set of data and better understand it is a key part of mastering statistics. This tutorial teaches you about one of these disection tools called the interquartile range.