SL Spearman's Rank

IB Maths: Applications & Interpretation: SL Spearman's Rank

For data that is non-linear, contains extreme values/outliers or in which we want to compare the ranks of one thing e.g. people"s favourite chocolate in different countries, rather than pure numerical values, Pearson"s product moment correlation coefficient is unlikely to provide an accurate measure of correlation.Spearman"s rank correlation coefficient offers an alternative measure and can be applied to any data that...

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