This 18-minute video lesson covers the contingency table for the chi-square test. [Statistics playlist: Lesson 74 of 85]

This 15-minute video lesson looks at covariance, variance, and the slope of the regression line. [Statistics playlist: Lesson 71 of 85]

This 2-minute video lesson explores deductive reasoning (part 1). [Statistics playlist: Lesson 79 of 85]

This 4-minute video lesson continues to explore deductive reasoning (part 2). [Statistics playlist: Lesson 80 of 85]

This 4-minute video lesson continues to explore deductive reasoning (part 3). [Statistics playlist: Lesson 81 of 85]

This 15-minute video lesson looks at the margin of error--finding the 95% confidence interval for the proportion of a population voting for a candidate .[Statistics playlist: Lesson 43 of 85]

This 10-minute video lesson continues the discussion of margin of error--finding the 95% confidence interval for the proportion of a population voting for a candidate. [Statistics playlist: Lesson 44 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 12-minute video lesson looks at Pearson's chi square test (for goodness of fit) [Statistics playlist: Lesson 73 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 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 13-minute video lesson looks at R-squared or the coefficient of determination. [Statistics playlist: Lesson 68 of 85]

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

This 14-minute video lesson shows how to figure out the probability of running out of water on a camping trip. [Statistics playlist: Lesson 39 of 85]

This 11-minute video lesson looks at the the central limit theorem and the sampling distribution of the sample mean. [Statistics playlist: Lesson 36 of 85]

This 13-minute video lesson provides more discussion of the Central Limit Theorem and the Sampling Distribution of the Sample Mean. [Statistics playlist: Lesson 37 of 85]