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ԑλã233У>м>>W(xu)(x)ʼ

šмʮ

ӯ
һII(y)ʡ
II(y)=II(y)/II(y)?#215;100
۾=/×100%
ë=-۳/×100%
II(y)=/II(y)վ×100%
II(y)=II(y)/II(y)?#215;100%

=ܶ/ܶ×100%
P49912-32003ȡ
Ŀ
һII(y)
II(y)
II(y)
II(y)
јI(y)
II(y)


II(y)
Ͷ
II(y)
II(y)֧
ġ ܶ
40%
18000
10700
1080
6220
600
1620
800
200
4200
300
100
600
4000
1600
20000
12200
1200
6600
1000
1900
1000
300
4400
300
150
650
4200
1680
?/DIV>
2400
2520
ӯϱӯϱ=I/
һfI(y)a0rӯϱ(yng)1ָԽ󣬱I(y)Iľփe?BR>P517 [12-16] ӯϱ
ģʲ
ʲ=Ϣǰ/ƽʲܶ
ƽʲܶ=ʲܶ+ĩʲܶ?2
壩?BR> ʲ=/ƽʲ×100
=/ƽ(qun)
ƽʲ=ʲ+ĩʲ/2
=(qun)+ĩ(qun)?2
עʲ=ʲ-=(qun)
rֵֵ
ӳI(y)rI(y)ŬµҔ״䓸ꡣ
rֵֵ=۳͹Gĩ(qun)/(qun)×100
P521 [12-19] rֵֵʷ
]ÿ
1 ȹĩͨ?/DIV>
}ÿ=/ĩͨ
2 ȹĸƽ?/DIV>
}ÿ=II(y)×ʲD(zhun)×(qun)×ƽÿhʲ
3ȹĩͨ?/DIV>
}ÿ=-ȹ/ĩͨ
4ȹĸݚƽ
}ÿ=-ȹ/ͨƽ
ˣÿ
ÿ=ͨܶ/ĩͨ
ţӯ ӯ=ͨÿм/ͨÿ
һfӯʸ]fͶ߶Ըù˾ķչǰãԸ(x)ߵļ۸ù˾ƱһЩɳԽrõĸƼ˾ƱӯͨҪһЩҲ(yng)ע⣬GMӯʑT҅M^ߵͶʷ?
ʮÿhʲ
ͨTȡÿ=-ȹ/ĩͨ
ÿ=ͨܶ/ĩͨ
ÿhʲ=ĩɶ(qun)/ĩͨ