Variability / Section 03: Quartiles and the IQR

Tags

data, Data Sense, statistics, lecture, data analysis, data science, Kendall Hunt, Kendall Hunt Publishing Company, data table, distribution, central tendency, summary statistics, descriptive statistics, variability, dispersion, spread, percentiles, quartiles, robust statistics, interquartile range, IQR

Description:

Lecture video for “Data Sense: An Introduction to Statistics for the Behavioral Sciences” by Barton Poulson. This video covers Chapter 04: Variability, Section 03: Quartiles and the IQR. It explains how to calculate quartiles, which are similar to percentile scores, and how these can be used in calculating the interquartile range (IQR), which is a robust measure of variability. The book and complete set of videos may be purchased at http://kendallhunt.com/poulson/.