Khan Academy: High School Statistics Notes

1 Displaying a single quantitative variable

• Mean and median in data displays
• Interquartile range
• Box and whisker plots

2 Analyzing a single quantitative variable

• Standard deviation
• Comparing distributions
• Percentiles and z-scores
• Normal distributions and the empirical rule
• Normal distribution calculations

3 Two-way tables

• Two-way tables introduction
• Distributions in two-way tables

6 Probability

• Part 1: Addition and Multiplication Rules and Conditional Probability
• Part 2: Permutations and Combinations