Biostatistics Measures of Central Tendency and Dispersion
Channel: Mohamed Khalifa
Date: 2020-09-26

Part of Teaching Biostatistics Course for PYP students

Presentation: 
https://docs.google.com/presentation/d/19P0K3gB_mx8da1nE1gCJZcmQaGUOuj4l3Q8rHvam3Wo/edit?usp=sharing

Here are some resources to have a general idea on the mean and median:

https://s4be.cochrane.org/blog/2014/10/22/simply-mean-average/
https://s4be.cochrane.org/blog/2016/05/27/median/

Here you can practice the important concepts and equations given in the presentation: \

https://stats.libretexts.org/Bookshelves/Applied_Statistics/Book%3A_An_Introduction_to_Psychological_Statistics_(Foster_et_al.)/03%3A_Measures_of_Central_Tendency_and_Spread/3.04%3A_Exercises

If you want to know why we use (n-1) in sample means instead of (N):

http://vortex.ihrc.fiu.edu/MET4570/members/Lectures/Lect05/m10divideby_nminus1.pdf