Instructional Video14:53
Curated OER

Expected Value: E(X)

7th - 11th
The gap between probability and statistics begins to become bridged in this video, where Sal explains the concepts of central and relative frequencies. Students who are transitioning between algebra and statistics will find this video...
Instructional Video
Khan Academy

Khan Academy: Statistics: Mean and Variance of Bernoulli Distribution Example

9th - 10th Standards
Video giving example of a Bernoulli distribution and showing how to calculate its mean, variance, and standard deviation leading up to deriving the formulas for mean, variance and standard deviation of a Bernoulli distribution which will...