Oswego City School District
Regents Exam Prep Center: Statistics: Percentiles and Quartiles
Use this site to learn how to divide data into quartiles in this tutorial. You'll need a calculator to do the practice problems. The teacher resource page contains a warm-up exercise for use before a quartile lesson.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Box and Whisker Plots
Find a quick, concise explanation of a Box-and-Whisker Plot. An example is given and clearly explained.
ClassFlow
Class Flow: Box and Whiskers Plot
[Free Registration/Login Required] This is an interactive flipchart for ordering the steps for plotting a box and whiskers. It also allows students to determine the minimum, maximum, median, upper and lower quartiles. Students will also...
Other
Nmu: Box and Whisker Plot Instructions
Site discusses the use of box-and-whisker plots. An example is presented and completely worked through, so that the user can see the results of the calculations after the steps have been explained.
McGraw Hill
Mc Graw Hill Education: Glencoe: Measures of Variation
Lesson examples that review how to calculate measures of variation such as range and outliers.