Juhuslikud sündmused
17,96
rxy = i =1
= = 0,650 .
n n 504,1 1,516
( xi - x) 2 ( y i - y ) 2
i =1 i =1
(n < 25),
ryz n - 2
t= .
1 - ryz2
t (n - 2) = t 0,05 (8) = 2,306 .
:
r n-2 0,650 8
t = = = 3,180 .
1- r 2
1 - 0,650 2
t àñ÷ > t (n - 2) , H0
.
a, b ,
:
an + b xi = y i ,
a x i + b x i = y i x i ,
2
n = 10.
:
n x i y i - xi y i
annaabi.ee 
