.
, p = 0,95.
, . S. Δx = t (p, f) * Sx |
p = 0,95
() - . = (Δ / ..) * 100%.
.
.
Δ Δ - . . , U = X2Y3
Ux = 2XY3, Uy =X23y2. X Y .
" " , . (!)
- ?
.
, .......................................................
?
..
?
..
?................................................
.
(t t) ?
= 0,95 ,
t > t........................................................................................
Z - ⅅ
- S, .
- 9 , - 7?..................
().
- ...
.
R1 = 2+4+5+10+12+13+14+16+17+18 =101
R2=1+3+6+7+8+9+11+15=60
|
|
U1 U2:
U1 = R1 - (1/2) * n1*(n1+1);
U2 = R2 - (1/2) * n2*(n2+1).
U1 = 46, U2 = 32. U. 32
(!) .