1. .
: .
4.2
, (x) | , f | |
20 | ||
2022 | ||
2226 | ||
2630 | ||
3040 | ||
500 |
2. .
, (i) , .
: 3 .
4.3 2009 .
xi , / | , (xifi) | , (f) | |
720000 | 30000 |
3. .
, , .
: 3 .
4.4
% , i | , . . (f) | |
24900 |
(4.3)
(4.4)
.
1. , .
2. , .
3. .
4. , .
5. .
: : 5, 10, 15, 20, 15.
: 8, 3, 2, 7, 2.
:
.
: .
4.5
. () | , (f) | x'A* (A = 450) | = x" i = 100** | f'= | ||
200300 | 200 | 2 | 10 | |||
300400 | 100 | 1 | 6 | |||
400500 | ||||||
500600 | ||||||
600700 | 5 | |||||
230 | 23 | 3 |
|
|
( ).