... 02, 1=ρ5 22 1 12, 122 222 121 21δδρδδδwwwwdm++== 20 .25 ,0.10.75,0 .22 0 .25 ,010.75, 022 22+ += 9%Với : 12, 1=ρ=> 22 1 12, 122 222 121 21δδρδδδwwwwdm++== 20 .25 ,0.10.75,0.1 .22 0 .25 ,010.75, 022 22+ += 12, 5%Với : 12, 1−=ρ=> ... %108.5,0 12. 5,0..111=+=+=YYXXdmrwrwrYYXXYXYYXXdmwwwwδδρδδδ.... .2. .11 122 122 11++=6% 12, 55,0.5,0.8.5,0 .2, 0 .25 .5,08.5, 022 22= ++Danh mục 2: %25 2=Xw ;%7 52= Yw => %98.75,0 12. 25,0. .22 2=+=+=YYXXdmrwrwrYYXXYXYYXXdmwwwwδδρδδδ.... .2. .22 222 222 22+ +=%6,45,0.75,0.8 .25 ,0 .2, 0 .25 .75,08 .25 , 022 22= ++Danh ... %98.75,0 12. 25,0. .22 2=+=+=YYXXdmrwrwrYYXXYXYYXXdmwwwwδδρδδδ.... .2. .22 222 222 22+ +=%6,45,0.75,0.8 .25 ,0 .2, 0 .25 .75,08 .25 , 022 22= ++Danh mục 3: %753=Xw ; %25 3=Yw => %118 .25 ,0 12. 75,0..333=+=+=YYXXdmrwrwrYYXXYXYYXXdmwwwwδδρδδδ.... .2. .33 322 322 33++=%37,65,0 .25 ,0.8.75,0 .2, 0 .25 .25 ,08.75, 022 22= ++b)...