814  14

	 / 	
SumsAndSqua-res	void SumsAndSquares(const double * Data, const int DataJSize, Extended &Sum, Extended &SumOfSquares) Sum     SumOf-Squares	Math.hpp
TotalVariance	Extended TotalVariance(const double * Data, const int DataSize)     	Math.hpp



 MeanAndStdDev    (
)       .   -
  ,      Mean 
StdDev.         -
    (> 107)    .

   ,   Me-
anAndStdDev  StdDev    .    
 ,   PopnStdDev,   -
       (n  1),   -
   .       ,  -
 Variance  Popn Variance.

        ,
,  :

double A[1001];

long double M, StdD,StdD2,Ml,M2,M3,M4,Skew,Kurtosis;

//     
for(int i = 0; i < 1001; i++)
A[i] = RandG(20,4) ;

double  = Variance(A,1000);

MeanAndStdDev(A,1000, M, StdD);

StdD2 = PopnStdDev(A,1000);

MomentSkewKurtosis(A,1000,Ml,M2,M3,M4,Skew,Kurtosis) ;

14.6.6  

	 / 	
clear87	unsigned int clear87 (void)    	float.h
control87	unsigned int control87(unsigned int newcw, unsigned int mask)    	float.h
fpreset	void fpreset(void)      	float.h
status87	unsigned int status87(void)   	float.h