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13 bytes added ,  08:45, 13 December 2013
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*Kurtosis is defined by:
 
*Kurtosis is defined by:
 
*Kurtosis=:
 
*Kurtosis=:
<math>{\frac{n(n+1)}{(n-1)(n-2)(n-3)}*\frac{\sum{\frac{(xi-\bar{x})^4}{s}}\frac{-3(n-1)^2}{(n-2)(n-3)}</math>, where <math>s</math> is the sample standard deviation.x(bar) is the arithmetic mean.
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<math>\frac{n(n+1)}{(n-1)(n-2)(n-3)} \frac{\sum (xi-\bar{x})^4}{s}- \frac{3(n-1)^2}{(n-2)(n-3)}</math>, where <math>s</math> is the Sample Standard Deviation.<math>\bar{x}</math> is the Arithmetic Mean.
 
*In this function arguments may be any type like numbers,names,arrays or references that contain numbers.
 
*In this function arguments may be any type like numbers,names,arrays or references that contain numbers.
 
*We can give logical values and text references also directly.
 
*We can give logical values and text references also directly.
 
*Suppose the referred argument contains any null cells, logical values like that values are not considered.
 
*Suppose the referred argument contains any null cells, logical values like that values are not considered.
 
*This function will return the result as error when  
 
*This function will return the result as error when  
#Any one of the argument is non-numeric.
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1.Any one of the argument is non-numeric.
#suppose the number of data points are less than four or the standard deviation of the sample is zero
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2.Suppose the number of data points are less than four or the standard deviation of the sample is zero
#The referred arguments could not convert
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3.The referred arguments could not convert
 
  in to numbers.
 
  in to numbers.
  
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