Changes

  <math>S.D= \sqrt \frac {\sum(x-\bar{x})^2}{(n-1)} </math>

  <math>S.D= \sqrt \frac {\sum(x-\bar{x})^2}{(n-1)} </math>

where <math> \bar{x} </math> is the sample mean of <math> x </math> and <math> n </math> is the total numbers of the given data.  

where <math> \bar{x} </math> is the sample mean of <math> x </math> and <math> n </math> is the total numbers of the given data.  

*It is calculated using <math>n-1</math> method.  

*It is calculated using <math>'n-1'</math> method.  

*This function is considering our given data is the sample of the population.  

*This function is considering our given data is the sample of the population.  

*Suppose it should consider the data as the entire population, we can use the [[Manuals/calci/STDEVP  | STDEVP ]] function.

*Suppose it should consider the data as the entire population, we can use the [[Manuals/calci/STDEVP  | STDEVP ]] function.