1. 5 . 2≤n<5, (. . XV 1).
2. , .3-8 50 300 , .
3. m , . : ≤0,50.
4. , , =0,50 G, >0,50 , <0,50 χ2.
. 5.12 , .
5.12
.
H1: f f | H1: f f | |||||
<0,50 | m | 2 ≤n ≤50 | χ2 | n ≥30 | ||
=0,50 | m | 5 ≤n ≤300 | G | 5 ≤n ≤300 | ||
>0,50 | χ2 | n ≤30 | m | 2 ≤n ≤50 |
. 5.12
A) <0,50, f > f (, - 15%, 25%), 2≤n≤50.
) <0,50, f > f (, - 15%, 5% ), χ2 (. 2).
B) =0,50, f > f (, =0,50, , ), 5≤n≤300.
) =0,50, a f > f (, =0,50, , ), G, " " =0,50. : 5≤n≤300.
) >0,50, f > f (, - 80%, 95%), χ2 (. 3).
) >0,50, f > f (, - 80%, 60%), , "" - , Q=l=10,80=0,20 : 100%75%=25%. , n. . : 2≤n≤50 (. 3).
|
|
1
14 " ". , . , , : " : ?" " , ?" " - ?" . . , . , , . . , . , 14 (13 + ), , . 7-8 , 12, . , , 4 , .
?
?
.
-, , . , , , P=Q=0,5. :
f =n P
n - ;
- .
f =14-0,5=7
, , "" 12 7 , , .
, 3, : =0,50; f > f . "" . 5.12.
.
H0: , .
H1: , .
. XIV 1 m n=14, =0,50:
, m :
|
|
, m ( "", ), - , "", m.
: H0 . H1. ( ) (≤0,01). !
.
-, , . , 4 - , 7 ?
=0,50; f > f . 4, , " " ( "" . 5.12). , . , 10. , , .
.
H0: .
H1: .
. V 1 G n=14:
" ". , , - , , .
G . :
G .
: H0 . .
. , , , "" . , .
, , . , , , , , , . .
, , .
2
, 1 . , 15% , 1 . 1 50- , - 15 50- . ?
= 50:
f =n =500,15=7,5
f < f . f > f
.
H0: , .
H1: , .
=0,15<0,50; f > f .
|
|
. 5. 12. }, , , , 7,5 (50-7,5)=42,5 . χ2 , [24]:
. IX 1 χ2 v =l:
: H0 . , (≤0,05)
.
H0: , .
H1: , .
=0,15<0,5; f > f . . 5.12. , n=50.
. XV 1 =50, =0,15, Q=0,85:
: H0 . , (<0,05).
3
1 5.2 . . . 5.13.
5.13
, | , | ||||
1 (n1=20) | (60%) | (40%) | |||
2 (7=25) | (40%) | (60%) | |||
- 55%. 1 2:
1, , =0,55>0,50; f =12> f . "" . 5.12. χ2, 20 : n<30. , χ2 . φ* , , , , .
, 2: =0,55>0,50; f =10> f . "" . 5.12. , "" . Q=l=10,55=0,45. : f =25-10=15.
.
H0: .
H1 .
. XV 1 n=25, P=0,45, Q=0.55 ( , Q ):
: H0 . .
m.
18