Correlation

Correlation explained with types, methods of measuring correlation, scatter diagrams, and simple numerical examples.

1.Introduction to Correlation

Learn the meaning of correlation, types of correlation, and how two quantities change together using simple notes-style explanations and examples.

2.Scatter Diagrams

Learn what scatter diagrams are, how to plot them, and how they show the relationship between two variables through simple patterns and examples.

3.Karl Pearson’s Coefficient of Correlation

Understand Karl Pearson’s coefficient of correlation, its formula, interpretation, and how it measures the strength and direction of a linear relationship using simple examples.

4.Spearman’s Rank Correlation

Understand Spearman’s rank correlation, how ranking works, the formula, and how to measure the strength of monotonic relationships using simple examples.