TI-NSPIRE Discrete Random Variable Mean & Standard Deviation

I show you how to find the mean and standard deviation of a discrete random variable with your TI-NSPIRE. Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage www.YouTube.com/Profrobbob