, g , : 0,01; 0,02; 0,1; 0,5; 1,0; 1,5; 2,5; 4,0. . .
1 . g - . , , .2, 1,5.
.2.
, D(x) x, x. :
, (4.1)
x N . , , , , . , .2 x N = 100 . g x N, D(x)
. (4.2)
, , x.
, .2, D(I) = 1,5×100/100 = 1,5 , , , I = 36 , e (I) = 1,5/36 = 0,04 = 4%.
2 . g , . .3. , e(x) x. g e(x), . x x, D(x):
. (4.3)
, , .3, 2,5%, , , U = 38 , D(U) = 2,5×38/100 = 1 .
.3.
3 . . , 1 , D(x) x. , D(x) 1 . , , , D(x) .