Kendall's advanced theory of statistics
Kendall's advanced theory of statistics
Confidence interval for a coefficient of quartile variation
Computational Statistics & Data Analysis
Computational Statistics & Data Analysis
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In this communication, sample measures of kurtosis adapted by various software packages are compared for data from normal and non-normal populations. Further, two improved estimators of population kurtosis are proposed and their performance is compared with the currently used measures. The suggested estimators have considerably lower mean squared error (MSE) for various sampling designs in our simulation study. Two empirical examples are given to illustrate the usefulness of suggested estimators in practice.