Different Variance Formulas
In this video some different formulas for variance is introduced. It’s important so you won’t get confused when you see one formula in one textbook and another in some other textbook. There are simply put, alternate ways of writing it. Understanding the different formulas gives you a deeper intuition into the matter at hand.
About the author
ABDERISAK ADAM is an author, blog writer and a PhD candidate in the institution of Civil and Environmental Engineering at Chalmers University of Technology. He is also the owner and webmaster of www.study-habits.com, a website dedicated to the discussion of study techniques in the context of higher education. Adam is the author of a number of publications including 'The Study Guide PRO'. You can connect with him through Google+, Linkedin or by submitting a form.