( , t)
, , . . .
:
1. . 8.5 , ( x i) . , x y 1 2 . 8.6.
8.6
xi | yi | . | . |
1 2 3 4 5 6 7 8 9 10 11 12 | 3 6 7 1 2 4 9 5 11 8 12 10 | 9 6 5 8 7 6 3 4 1 2 0 0 | 2 4 4 0 0 0 2 0 2 0 1 0 |
Σ | 51 | 15 |
2. 2- (y i). ࠠ :
) 3. , . 9 ( 6, 7, 4, 9, 5, 11, 8, 12 10). 9 . , . 2 ( 1 2); 2 .
) 3 ( ) 6: 6 ( 7, 9, 11, 8, 12 10), 4 ( 1, 2, 4 5). 6 , 4 .
) ; , ( , ).
, , ; , , .
3. () (Q); (8.10). .
t (8.10)
:
. XIV : τ. = 0,45; 0,59. .
τ = 0,55 > τ. = 0,45. 1- .
:
(, ) t :
(8.11)
S* = P Q + 1, P < Q, S* = P Q 1, P > Q.
z ( . z = 1,96 ( β1 = 0,95) 2,58 ( β2 = 0,99). , z > z
S* = P Q 1 = 35 z = 2,40, . . : 1- .