Quartiles are more intuitive than the mean and s.d. for samples from skewed distributions.
6.SP.4 6.SP.B.4 Box-and-Whisker Plot Explained
Summarizing the Bell Curve - Useful for interpreting statistical reports and formal measurement results.
Really good explanation from Khan Academy of why we use n-1 correction factor in calculating std dev of a sample
Easy to Understand Bell Curve Chart... Needed this like 3 weeks ago for AP Statistics....
Statistics Equations and Answers - great review material for introductory statistics classes and courses
When to reject the null hypothesis.
The figure illustrates the strength of different correlations via scatterplots…
Skewness and kurtosis