# Standard Deviation Using The Shortcut Formula

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Alynight: omg i have a teacher that gave us n=45 and it was way too much data how do we find a shortcut for so many numbers?Kailani Talag: An easier formula issquare root of np (1-p) when n = number of trials and p is probability April Alfaro: Haha why work harder when you can find the same result !!! SduhhhApril Alfaro: Thank you!! I see it Now how do I find the variance ?xxNeoncryxx: Thanks Professor!cristianwero80: people don't suck at mad. People are just freaking lazy to think critically and figure crap outChelle Weatherspoon: Absoloutely loved the lesson. Too away all my fears about the standard deviation formula. I was able to set up a way in excel to calculate myself after watching this lesson. Thanks so much.Percy Richmond: can you use this shortcut for both population and sample problems +70TheProfessorroy: Thankyou sir it was useful.....!Gamehawk: Man you are a god send. My professor confused me but this was wayyyyy easier. Thank You Sir!!!Demetre Young: Useful, way easier to watch then read lab manuals. Hunter Frost: maggotMikaela Makoto: Thank you so much! This really helped out! (: Dan Curwin: awesomeMidnight Dreams: I am doing an online statistics class this summer and these formulas are kicking my butt. Thank you for putting this up it was a major help.Jurgen Thano: Thank you :)Jon Bobis: Thank you for this amazing video!Lori Aylwin: This was amazing! Thank you! I spent hours doing this the long way and I am behind in my class. Your demonstration will make my life easy. I appreciate you!Jonathan Miller: me tooo yo!!Sanjay Shrestha: Thanks |

Standard Deviation Using the Shortcut Formula
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