The Mean

Learn to use the mean to summarize the distribution of a variable.


  • Learn why the mean is the balance point of a distribution.
  • Learn how to distinguish between the sample and the population mean.
  • Learn why the sample mean is an unbiased estimator.

Mission Outline

1. Introduction
2. The Mean
3. The Mean as a Balance Point
4. Defining the Mean Algebraically
5. An Alternative Definition
6. Introducing the Data
7. Mean House Prices
8. Estimating the Population Mean
9. Estimates from Low-Sized Samples
10. Variability Around the Population Mean
11. The Sample Mean as an Unbiased Estimator
12. Next steps
13. Takeaways


Course Info:

Statistics Intermediate: Averages and Variability


The median completion time for this course is 7.4 hours.

This course requires a basic subscription. It includes five 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