public static dynamic ZScore(dynamic a, dynamic arrayA) { dynamic theMean = MeanAvg.Mean_Average(arrayA); dynamic theStandardDev = FindStandardDev.StandardDeviation(arrayA); dynamic ZScore_Step1 = a - theMean; dynamic Result1 = ZScore_Step1 / theStandardDev; result = Rounding.RoundTo2(Result1); return(result); }