Peter H. Westfall
Kurtosis as Peakedness, 1905–2014.<i>R.I.P.</i>
abstractthe incorrect notion kurtosis somehow measures peakedness flatness pointiness modality distribution remarkably persistent despite attempts statisticians set record straight article puts notion rest kurtosis tells virtually nothing shape peakits unambiguous interpretation terms tail extremity either existing outliers sample kurtosis propensity produce outliers kurtosis probability distribution clarify point relevant literature reviewed counterexample distributions given shown proportion kurtosis determined central range usually quite smallkeywordsfourth momentinequalityleptokurticmesokurticplatykurtic