Variance and Standard Deviation
of a Random Variable
Statistics & Probability
How to find the variance and standard deviation of a random variable is explained in this video
Math Video Central
This website provides tutorial videos on Algebra, Geometry, Trigonometry, Pre-Calculus, Basic Calculus, and Statistics and Probability. The videos are for junior and senior high school students as well as for parents who would like to guide their kids in understanding their lessons in math.
