, - , , . , , , Rmin Rmax . , .
:
(1)
Xi - ;
- .
, .
Xi :
(2)
:
(3)
, :
(4)
s - ;
- .
. 22 , . . 2
(1) :
=2253/22 =102 .
(2)
õ 2==4769/22=217.
(3)
õ = √217 =14,7 .
(4)
ν =14,7/102=0,144, 14,4%.
, 102 , 14.7 , 14,4%. .
2
/ | Xi, | ||
+33 | |||
+29 | |||
+24 | |||
+18 | |||
1 17 | +15 | ||
+8 | |||
+5 | |||
+3 | |||
+0 | |||
- 1 | |||
--2 | |||
-4 | |||
-6 | |||
-7 | |||
-8 | |||
-10 | |||
-11 | |||
-12 | |||
-14 | |||
-15 | |||
-17 | |||
-19 | |||
Σ 2253 | Σ4769 |
|
|
. , 151515 , 28 . 100, 150, 200, 250, 300, 350, 400, 450, 500, 600.
. 15 % , .
151515 , 40. . 7 0,85; 10 - 0,95; 20 - 1,05. , .
, , . , , . 3. : 16, 20, 25, 30, 35, 40, 45, 50, 55.
3