. , . . : , , .
. . , . , .
, , :
; (3.1)
;
m ().
.
= [(140+61)/2*11 + (219+140)/2*1 + (298+219)/2*3 + (377+219)/2*4 + (377+456)/2*2] /21 = 4157/21 = 198(. .) .
-
= [(52+121,2)/2*11 + (121,2+190,4)/2*1 + (190,4+259,6)/2*3 + (259,6+328,8)/2*3 + (328,8+398)/2*3] /21 = 3694/21= 176 (. .)
-
=[(74 + 77,2)/2*1 + (77,2 + 80,4)/2*4 + (80,4 + 83,6)/2*8 + (83,6 + 86,8)/2*4 + (86,8 + 90)/2*4] /21 = 1745/21 = 83 () .
-
= [(15520+20516)/2*4 + (20516+25512)/2*8 + (25512+30508)/2*4 + (30508+35504)/2*2 + (35504+40500)/2*3] /21 = 558105/21=26576 () .
:
) Rx ,
Rx = Xmax Xmin; (3.2)
) x
(3.3)
) 
- , .
(3.4)
) :
(3.5)
) :
(3.6)
: 2.7, 2.8, 2.9.
) R = 456 61 = 395(. .)
395 . .
) 
(. .)
118,3 . .
) 
(. .)
131,1 (. .).
ᒺ (). :
) 
(. .)
) 
%
, 30%, , 30%, . , - , .
|
|
|
- :
) R = 398 52 = 346 (. .)
346 . .
) 
(. .)
98,4 . .
) 
(. .)
107,5 (. .).
) 
(..)
) 
%
- .
-
) R = 90 74 = 16 (.)
16 .
) 
(.)
2,98 .
) 
(.)
3,6 (.).
) 
(.)
) 
%
.
