Yi ( . 1). Yi , .
D 1= 0,24 < 1, :
/(2×).
D 2 = 3,12 > 1, Y 2 = s 2 = 10,12 /(2×);
D 3 = 1,64 > 1, Y 3 = s 3 = 0,71 /(2×).
D 4 = 1,50 > 1, Y 4 = s 4 = 10,12 /(2×).
: Y ext = Y 4 = 10,12 /(2×).
:
.
.
.
.
:
,
aext () :
/(2×),
v , 1 /; v = 0 ( . 2* [1]), v = 1 /.
:
v = v 1× v 2× v 3× v 4× v ext = 1,08×8,80×24,32×1,46×1,58 = 533,18.
:
533 , . .
1,58 , .
. , ( ), (s 2 = 10,12).
( ).
, , (s 3 = 0,71).