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)1ָԽI(y)Iľփe?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=۳Gĩ(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
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