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.

Keywords:

definition

statistics

range

quartile

Background Tutorials

Giving quantitative measures of center (median and/or mean) and variability (interquartile range and/or mean absolute deviation), as well as describing any overall pattern and any striking deviations from the overall pattern with reference to the context in which the data were gathered.

Finding the minimum, maximum, median, and quartiles of a set of data can help tell you a lot about your data. Follow along with this tutorial to practice finding these pieces of a data set!

Further Exploration

Display numerical data in plots on a number line, including dot plots, histograms, and box plots.

A box-and-whisker plot can help you get a better picture of what your data looks like visually. This tutorial shows you the step-by-step process for making a box-and-whisker plot!

Giving quantitative measures of center (median and/or mean) and variability (interquartile range and/or mean absolute deviation), as well as describing any overall pattern and any striking deviations from the overall pattern with reference to the context in which the data were gathered.