sd1 and sd2 are the standard deviation of two array .
float sd1 = sd ( arr1 , n ) ; float sd2 = sd ( arr2 , m ) ; Console . Write ( " StandardDeviation1 : ▁ " + sd1 + " ▁ " ) ; Console . WriteLine ( " StandardDeviation2 : ▁ " + sd2 + " ▁ " ) ;