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. 7 (
) 25 , . 9 , . , , , . . . , , , . 9. - , . . , x :
22
, ( ) () . , , , , , .
. . . 10, 11 .
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() .
. (, , , ). , , , 23, . .
; ; b1 b2 - .
b1 b2 , , r, 24.
s2x ; s2x . sxy, .
r . :
. 7:
y = F(x) . 10-. , : . . , , , , . : rxy = ryx. +1 1.
r . ( - , ). - , .
, . 8, , 64, x 134,5.
:
. 9. Snijaxby .
, , , , .
r. , , , . , , r 0.
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H0 (r = 0) , , (. . ) a.
, < 50, t,
t . .
> 50, Z-
. ZKp a.
Z . 7 ( , 25 t). r (. . 7) 0,86.
a = 0,01 ZKp = 2,33 (. . ).
Z > ZKp, , = 0,86 1 % . t = 0,01 ( ); t 2,509, t 8,08.
, . i = 2 , . . r1 r2 .
:
zrj zr . r1 r2.
Zp . . .
. , , = + b. 1, 2,..., k y, , . .
a, b1,. b2,..., bk , .
(26) : ) , b1, b2b; ) ; ) Xi ( ); ) 1,..., x .
. , () (i) (2) . :
. , ( ):
1
1 2 . , , . rij 25;
b0, b1 b2
, b1= 3,13; b2= -0,17; b0= - 8,56.
? , b2 , Xi 0,17 . b1. ( , . 10, (, xt, 2).
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1 2 , , Xi .
i. ci , , . , Xi , a x 2 . C1 2 , z1 , 26.
bi i , , .
ry1.2 = 0,558, r2.1 i = 0,140.
x1, 2, 3 :
(r12, 34...). .
R2y, ( )
,
, 1 2
32% . Rt, 2..., xk . . , .
. h2. h2/ :
i i-ro y - ( , x=xi, . . ); xi i- x- . . i nyi y ; nXi x -; .
h2/ , . h2/ , . , h2/ h2/y. 27.
. (. 9) h2/.
r h2/. ( r2) h2/.
) r2 = 0, x ( );
) r2 = h2/ =1 , .
) r2 = r\y/x<i , , ;
) r2 < h2/ < 1 , .