This 6-minute video lesson uses problems from CK12.org to provide more Empirical Rule and Z-score practice. [Statistics playlist: Lesson 34 of 85]

This 10-minute video lesson takes some problems from CK12.org and uses the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions. [Statistics playlist: Lesson 32 of 85]

This 11-minute video lesson takes some problems from CK12.org and discusses of how "normal" a distribution might be. [Statistics playlist: Lesson 30 of 85]

This 10-minute video lesson shows how to calculate R-squared to see how well a regression line fits the data. [Statistics playlist: Lesson 70 of 85]

This 10-minute video lesson introduces the chi-square distribution. [Statistics playlist: Lesson 72 of 85]

This 3-minute video lesson provides clarification of the previous video on the confidence interval for difference of means. [Statistics playlist: Lesson 57 of 85]

This 11-minute video lesson compares population proportions (part 1). [Statistics playlist: Lesson 59 of 85]

This 10-minute video lesson compares population proportions (part 2). [Statistics playlist: Lesson 60 of 85]

This 14-minute video lesson shows how to estimate the probability that the true population mean lies within a range around a sample mean .[Statistics playlist: Lesson 40 of 85]

This 19-minute video lesson gives an example of the Confidence Interval. [Statistics playlist: Lesson 45 of 85]

This 16-minute video lesson covers the confidence interval of difference of means. [Statistics playlist: Lesson 56 of 85]

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

This 11-minute video lesson looks at understanding why correlation does not imply causality (even though many in the press and some researchers often imply otherwise). [Statistics playlist: Lesson 78 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 12-minute video lesson builds on the previous video and looks at the difference of sample means distribution. [Statistics playlist: Lesson 55 of 85]

This 16-minute video lesson looks at the hypothesis test for comparing population proportions. [Statistics playlist: Lesson 61 of 85]

This 10-minute video lesson discusses the hypothesis test for difference of means. [Statistics playlist: Lesson 58 of 85]