, (xi, yi) . , xi yi. . , , . .
, , , , xi yi. , (, , ..), . xi yi . .
( ) , .. : μx, μy ( ); σx,σy Y , Y.
= 0, , xi, yi, , , , ( 5, ). Y . Y.
5 -
= 1 = -1, Y (Y = c + dX). . = 1 xi, yi , , ( xi yi ), = -1 ( 5, ). (-1 < p < 1) , xi, yi, , ( 5, , ), p > 0 ( xi yi ), p < 0 . , . , , , , : , . . , ( ) ( 5, ).
, ( ) , . .
. , Y = f(X), Y , X, . , , . .