Program Example36;

{ Program to demonstrate the PopnVariance function. }

Uses math;

Type
  TExArray = Array[1..100] of Float;
    
Var
  I : Integer;
  ExArray : TExArray; 
    
begin
  Randomize;
  for I:=1 to 100 do 
    ExArray[i]:=(Random-Random)*100;
  Writeln('Max           : ',MaxValue(ExArray):8:4);  
  Writeln('Min           : ',MinValue(ExArray):8:4);  
  Writeln('Pop. var.     : ',PopnVariance(ExArray):8:4);  
  Writeln('Pop. var. (b) : ',PopnVariance(@ExArray[1],100):8:4);  
end.