. , 1988 . 6103 . . () 6481 . .
I.. = 6103: 6481 = 0,942, 94,2%.
, 5,8%.
. ( , ). . , 24,2 ., 27,5 ., 27,5: 24,2 = 1,136 , .. 13,6%. . 805,8 . 809,1 ., 805,8: 809,1 = 0,996, 99,6%. 0,4% .
. , , ..
,
11. . .
. .
:
(, ) (, , , );
() ( ) .
( k) :
k | |||
() | (1.2) xi i- (); n | , | |
(1.3), fi i- | , | ||
-1 | (1.4), . | , W | |
-1 | (1.5) | , | |
(1.6) | |||
(1.7) | |||
(1.8) | |||
(1.9) |
|
|
12. , , .
- . .
x - ();
n - .
. , 15 , , (.): 21; 20; 20; 19; 21; 19; 18; 22; 19; 20; 21; 20; 18; 19; 20.
f - ();
∑f (∑f = n).
. , , . . (x), (xf=), (f).
. , , .
, . ., xf | , . ., x | |
40 700 | ||
38 700 | ||
50 700 | ||
. , xf= Mm = const,
. ( ) ( ).
n ;
.