Define the following terms as used in measures of dispersion: i) Platykurtic versus leptokurtic and mesokurtic. ii) Coefficient of skewness. iii) Quartile deviation.

      

Define the following terms as used in measures of dispersion:
i) Platykurtic versus leptokurtic and mesokurtic.
ii) Coefficient of skewness.
iii) Quartile deviation.

  

Answers


Wilfred
i) These terms relate to kurtosis, which is the degree of flatness or peakedness of a frequency curve.
Platykurtic means that a frequency curve is less peaked. The kurtosis is less than 3.
Leptokurtic on the other hand means that the frequency curve is more peaked. The kurtosis is more
than 3
Mesokurtic means that there is intermediate peakedness. This represents the normal curve. Kurtosis
is equal to 3.

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Wilfykil answered the question on February 20, 2019 at 08:20


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