This 4-minute video lesson explains the mean, median, and mode. [Statistics playlist: Lesson 1 of 85]

This 8-minute video lesson gives an example of the mean and variance of Bernoulli Distribution. [Statistics playlist: Lesson 41 of 85]

This long (26 minute) presentation shows how to use an Excel spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials. [Statistics playlist: Lesson 28 of 85]

This 7-minute video lesson discusses one-tailed and two-tailed tests. [Statistics playlist: Lesson 48 of 85]

This 12-minute video lesson looks at Pearson's chi square test (for goodness of fit) [Statistics playlist: Lesson 73 of 85]

This 11-minute video lesson provides an introduction to Poisson Processes and the Poisson Distribution. [Statistics playlist: Lesson 25 of 85]

This 13-minute video lesson shows more of the derivation of the Poisson Distribution. [Statistics playlist: Lesson 26 of 85]

This site teaches High Schoolers Conditional Probability & the Rules of Probability through a series of 1350 questions and interactive activities aligned to 11 Common Core mathematics skills.

This 10-minute video lesson looks at probability density functions for continuous random variables. [Statistics playlist: Lesson 18 of 85]

This site teaches High Schoolers Modeling with Geometry through a series of 1548 questions and interactive activities aligned to 12 Common Core mathematics skills.

This site teaches High Schoolers how to Make Inferences and Justify Conclusions using statistics through a series of 99 questions and interactive activities aligned to 4 Common Core mathematics skills.

This site teaches High Schoolers how to use probability to make decisions through a series of 158 questions and interactive activities aligned to 6 Common Core mathematics skills.

This 11-minute video lesson looks at the proof (part 1) of minimizing the squared error to regression line. [Statistics playlist: Lesson 63 of 85]

This 10-minute video lesson looks at the proof (part 2) of minimizing the squared error to regression line. [Statistics playlist: Lesson 64 of 85]

This 11-minute video lesson looks at the proof (part 3) of minimizing the squared error to regression line. [Statistics playlist: Lesson 65 of 85]

This 4-minute video lesson looks at the proof (part 3) of minimizing the squared error to regression line. [Statistics playlist: Lesson 66 of 85]

This 13-minute video lesson looks at R-squared or the coefficient of determination. [Statistics playlist: Lesson 68 of 85]

This 2-minute video lesson shows how to find the range and the mid-range of a set of numbers. [Statistics playlist: Lesson 2 of 85]

This 3-minute video lesson explains how to read box and whisker plots. [Statistics playlist: Lesson 10 of 85]