( )
. ( ). () (σ ) - . 7 :
- 1,5σ;
- + 1,5σ + 2σ;
- 1,5σ - 2σ;
- + 2σ + 3σ;
- - 2σ - 3σ;
- +3σ;
-3σ
, 3σ, . , , , , Z-score, , . :
() Z-score 0. , Z-score 0. Z-score , . Z-score -. (, ). Z-score (-2 ) .
, . 1990 ANTHRO .
( ) (50 ) () , :
, , .
. , , , , . .
( )
:
5-10% ( );
10-20% ();
>20% ( - ).
.