, ___________
_________ ( )
2- p1= 0.9 p2=0.75 . 2- ?
, = 0.675
2- p1= 0.9 p2=0.75 . , ?
, = 0.025
2- p1= 0.9 p2=0.75 . 1- ?
, = 0.975
___________
____________
___________
____________
,
,
,
,
___________
___________
___________
( )
0, , σ21=σ22, α F
s21 s22
, χ2,
m- r - 1, m - , r - ,
r , - s . χ2,
(r-1)(s-1)
2- (, ) - ( ),