Independent Variables vs Dependent Variables (website)
Writing Good Research Questions (website)
Categorical vs Numerical Data (website–description and examples)
Categorical vs Numerical Data2 (website–description and examples)
Mean, Median, and Mode (website–description and practice problems)
Median, Quartiles, and IQR (website- description and examples)
Skewness, Boxplots, and Interquartile Range/IQR (Video)
Empirical Rule and Z-Score Intro (website- description and examples)
A good summary of weeks 3-6: mean, SD, distributions, z-score (with practical application example & quiz questions @end)
Hypothesis Testing (One Sample)
Hypothesis Testing (Two Samples)
Hypothesis Testing (Dependent Samples)
Intro to Correlations (Video)
Correlation vs Causation