Adding references to hypothesis-testing presentation  - http://www.evanmiller.org/how-not-to-run-an-ab-test.html  - https://www.khanacademy.org/math/probability/statistics-inferential
Adding references to hypothesis-testing presentation
 - http://www.evanmiller.org/how-not-to-run-an-ab-test.html
 - https://www.khanacademy.org/math/probability/statistics-inferential

vmous/presentations,vmous/presentations