Interquartile Range
This is a brief tutorial on interquartile range.
The main concepts of this video include quartiles, median, upper and lower quartiles, and how to calculate the interquartile range.
Upon watching this video, you should be able to answer the following:
1. What are the quartiles for the following set of numbers? 8, 11, 20, 10, 2, 17, 15, 5, 16, 15, 25, 6
2. What are the quartiles for the following set of numbers? 13, 18, 6, 20, 25, 11, 9, 18, 3, 30, 16, 9, 8, 23, 26, 17
3. Explain how the median is related to quartiles.