Four datasets, same statistics, totally different
In 1973, statistician Francis Anscombe built four small datasets with nearly identical means, variances and correlations. Plot them, and one is a line, one a curve, and one has a single wild outlier.
In 1973, statistician Francis Anscombe built four small datasets with nearly identical means, variances and correlations. Plot them, and one is a line, one a curve, and one has a single wild outlier.