Get the full course at: http://www.MathTutorDVD.com In this lesson, you'll learn about the concept of variance in statistics. We'll discuss how variance is derived and what the equations of variance means. We will also cover how variance is very closely related to standard deviation in statistics.. What is Variance in Statistics? Learn the Variance Formula and Calculating Statistical Variance! What Is Variance in Statistics? A Clear Explanation Variance in Statistics: Definition & Formula Explained What Is Variance in Statistics & How Do You Calculate It? Calculating Variance in Statistics: A Clear Guide