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kurtosis

   Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia 0.02 sec.
kur·to·sis  (kr-tss)
n. pl. kur·to·ses (-sz)
The general form or a quantity indicative of the general form of a statistical frequency curve near the mean of the distribution.
[Greek kurtsis, bulging, curvature, from kurtos, convex; see sker-2 in Indo-European roots.]
kurtosis [kəˈtəʊsɪs]
n
(Mathematics & Measurements / Statistics) Statistics a measure of the concentration of a distribution around its mean, esp the statistic B2 = m4/m22 where m2 and m4 are respectively the second and fourth moment of the distribution around the mean. In a normal distribution B2 = 3 See also platykurtic, mesokurtic, leptokurtic Compare skewness
[from Greek: curvature, from kurtos arched]
kurtosis  (kr-tss)
The general form or a quantity indicative of the general form of a statistical frequency curve near the mean of the distribution.


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Finally, given the known skew and kurtosis of some items, the Satorra-Bentler Scaled Chi-Square Statistic (S-B[chi square]) and its associated fit index, the Robust Comparative Fit Index (RCFI), were used (Satorra & Bentler, 1988).
The father presence questionnaire: a new measure of the subjective ... by Newton, Rae R. / Fathering
Means, standard deviations, Cronbach's alphas, skewness, and kurtosis for these scales are also reported in Table 1.
Vocational skills and outcomes among Native American adolescents: a ... by Brissett, Annette E.A. / Career Development Quarterly
The pretest and posttest measures for critical thinking were examined for normality by using skewness and kurtosis coefficients (z-tests of greater or less than 1.
Enhancing critical thinking in online learning by Lee, Kathryn S. / Academic Exchange Quarterly
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