(, ) , .. . . . , 10, , . .
.
, . , .
n , ij
ij= 1, i j;
ij= 0, j i;
:
A, B, C, D.
:
( )
.1.4.
A | B | C | D | C | |
A | ´ | ||||
B | ´ | ||||
C | ´ | ||||
D | ´ |
: C D. .
, , D, . .
.
, .
.
.
(j = 1,..., m), (i = 1,...,m). 1.5.
1.
. .
( .1.5.)
() i=1,m | J=1,.,n | S= | |||
.. | |||||
1. .. | |||||
2. | |||||
. | |||||
m. | |||||
m S jj i | |||||
|
|
2.
. () W.
W ( ):
1. , n(n+1)/2.
: 15´16/2 = 120
2. J- .
m
S ji
i=1
3. j- :
m´(n+1) ´n
Acute;n
4. .2 .3.:
= R
5. :
6. W :
7. . W c2 c2 (n-1)
c2=m(n-1)W
8. 0= 0,05; c2.
c2 >c2., W 0 . .
c2 <c2, , .
c2 k [4] 1.6.
[ c2 ]
K | K | ||||||
0,05 | 0,01 | 0,001 | 0,05 | 0,01 | 0,001 | ||
3,84 | 6,63 | 10,83 | 26,30 | 32,00 | 39,25 | ||
5,99 | 9,21 | 13,81 | 27,59 | 33,41 | 40,79 | ||
7,81 | 11,34 | 16,27 | 28,87 | 34,80 | 42,31 | ||
9,49 | 13,28 | 18,46 | 30,14 | 36,19 | 43,82 | ||
11,07 | 15,09 | 20,52 | 31,41 | 37,57 | 45,31 | ||
12,59 | 16,81 | 22,46 | 32,67 | 38,93 | 46,80 | ||
14,07 | 18,47 | 24,32 | 33,92 | 40,29 | 48,27 | ||
15,51 | 20,09 | 26,12 | 35,17 | 41,63 | 49,73 | ||
16,92 | 21,67 | 27,88 | 36,41 | 42,98 | 51,18 | ||
18,31 | 23,21 | 29,59 | 37,65 | 44,31 | 52,62 | ||
19,67 | 24,72 | 31,26 | 38,88 | 45,64 | 54,05 | ||
21,03 | 26,22 | 32,91 | 40,11 | 46,96 | 55,48 | ||
22,37 | 27,69 | 34,53 | 41,34 | 48,28 | 56,89 | ||
23,68 | 29,14 | 36,12 | 42,56 | 49,59 | 58,30 | ||
25,00 | 30,58 | 37,70 | 43,77 | 50,89 | 59,70 |
3. . : , W ( ) , .
:
.
, .
.
.