21.45 | 3.23 | ||
15.35 | 4.22 |
t- , I tp I = 5.17. < 0.05 I tp I > I t I. To ( ). ( ≤ 0.01) . R = 0.56.
2. ( ) . : ) (, , ) ) (, , ).
t- , : I tp I = 2.39 I tp I = 2.41. ( . .) < 0.05 I tp I > I t I. To ( ).
( = 0.05) ( ). : Rxy = 0.42, r - Rxy = 0.47. : Q = 0.91 = 0.61.
, .
-
( ) ( ) .
a)Y = a(5.15) + b(0.93)X;
b) = (-2.76) + b (2.12)X + (-0.04)2;
Y ();
;
b, ;
X .
( ) Rxy = 0.58, Rxy 0 = 0.59 ( = 0.05).
, . , , , Rxy = 0.58, Rxy = 0.55 -Rxy = 0.47. .
.
( ) - ( 1991 ) (. 19).
649 (471 178 ), .
19