Measures of Variability

Learn how to measure variability using range, mean absolute deviation, variance, and standard deviation.


  • Learn about range.
  • Learn about mean absolute deviation.
  • Learn about variance.
  • Learn about standard deviation.

Mission Outline

1. The Range
2. The Average Distance
3. Mean Absolute Deviation
4. Variance
5. Standard Deviation
6. Average Variability Around the Mean
7. A Measure of Spread
8. The Sample Standard Deviation
9. Bessel's Correction
10. Standard Notation
11. Sample Variance — Unbiased Estimator
12. Next steps
13. Takeaways

Course Info:

Statistics Intermediate: Averages and Variability


The average completion time for this course is 10-hours.

This course requires a basic subscription. It includes one free mission, four paid missions, and one guided project. It is the 16th course in the Data Analyst in Python and Data Scientist in Python path.


Take a Look Inside

Share On Facebook
Share On Twitter
Share On Linkedin
Share On Reddit