( ) , , . , , , , ..
, .
1, p, 1 g, 2 g1 .., , , : 1) p g; 2) p g1; 3) p g2; .
, , , , 20 5% , 10 10% , 5 20% .. 1.3. 2.
.
-, ( ).
-, 100 × 100, ( ). . Cum p, Cum g.
, . .
-, :
s = 1, .
, ( , , 10000).
, .
18
p q, %
p | q | Cum p | Cum q | |
5,29 | 5,29 | |||
6,72 | 12,01 | |||
7,88 | 19,89 | |||
9,04 | 28,93 | |||
9,47 | 38,40 | |||
10,71 | 49,11 | |||
11,47 | 60,58 | |||
12,58 | 72,37 | |||
15,05 | 84,99 | |||
|
|
10% .
:
G = ((10×12,01 + 20×19,89 + 30×28,93 + 40×38,40 + 50×49,11 + 60×60,58 +
+ 70×72,37 + 80×84,95 + 90×100) (20×5,29 + 30×12,01 + 40×19,89 +
+ 50×28,93 + 60×38,40 + 70×49,11 + 80×60,58 + 90×72,37 + 100×84,95))/
/ 10000 = (29874 28304,60)/10000 = 1569,40/10000 = 0,16.
p q2, p q3.
19
p q, %
p | q1 | Cum p | Cum q1 | |
I | 20% | 12,78 | 12,78 | |
II | 20% | 16,77 | 29,55 | |
III | 20% | 20,00 | 49,55 | |
IV | 20% | 23,06 | 72,61 | |
V | 20% | 27,38 | ||
100% |
20% .
G = ((20×29,55 + 40×49,55 + 60×72,61 + 80×100)
(40×12,78 + 60×29,55 + 80×49,55 + 100×72,61))/10000 =
= (14929,6 13509,2)/10000 = 1420,4/10000 = 0,14.
1.7
1.3, 3 ( . 6) , : 30004500; 45006000; 60007500; 75009000; 900010500; 1050012000.