3 (. 6.).
. 6.
6 , 1 20 (h =180-160=20 ), 500 (l =500-0=500 ), , i=h/l =20/500=0,04.
, α = 0,04*100/1,75 =2,290.
1. ?
2. ?
3. ?
8
, ,
, , .
, , , , .
. ( %) . , , 100. , , . , 100%. 2% , 100%. 2%, , . 3.
3
α, | , % | , % |
<1 | ||
1-2 | ||
2-3 | ||
3-5 | ||
5-7 | ||
>7 |
, :
= (S1+0,98×S2+0,92×S3+0,73×S4+0,45×S5+0,2×S6)/Sx,
S1 - 1;
S2 - 1-2;
S3 - 2-3;
S4 - 3-5;
S5 - 5-7;
S6 - 7.
Sx - .
0 1. 1, ( 4):
4.
|
|
1-0,91 | |
0,9-0,81 | |
0,8-0,71 | |
0,7-0,61 | |
≤0,6 |