This chart is one of the best examples I’ve ever seen detailing how correlation and causation ... When two events are correlated, further study is needed to prove whether or not they are related.

while a zero correlation implies no linear relationship at all. For example, large-cap mutual funds generally have a high positive correlation to the Standard and Poor's (S&P) 500 Index or nearly one.

But looking deeper in terms of correlation graphs ... They cannot truly be plotted on a graph against one another, and have often deviated at key moments. For example, In August last year ...

A new study examines the correlation between fish yield and live coral habitats. Researchers analyzed the yields of nine fisheries dependent on Australia's Great Barrier Reef from 2016 to 2020.