:
60 , : . , . 1.
2) , l- , .
3) .
1
Si | 20,20 | 20,25 | 20,30 | 20,35 | 20,40 | 20,45 | 20,50 | 20,55 | 20,60 | 20,65 | 20,70 | 20,75 | 20,80 | 20,85 |
mi |
:
min=20,20
max=20,85
1) :
2) ():
3) , ,, . 2.
2
20,20; 20,093 | 20,093;20,386 | 20,386;20,479 | 20,479;20,472 | 20,572;20,665 | 60,665;20,758 | 20,758;20,851 | ∑ | |
X*i | 20,247 | 20,339 | 20,433 | 20,525 | 20,619 | 20,712 | 20,805 | |
ni | ||||||||
P*i | 0,05 | 0,12 | 0,2 | 0,27 | 0,2 | 0,12 | 0,05 | 1,01 |
4) :
5) :
6) :
= 20,72 =0,056 =0,237
, , :
.
. 3.
3
, | 20,20; 20,093 | 20,093;20,386 | 20,386;20,479 | 20,479;20,472 | 20,572;20,665 | 60,665;20,758 | 20,758;20,851 | ∑ | |
, Ni | |||||||||
, ni | |||||||||
:
|
|
Pi . :
60
60
60
N5 =60
60
60
:
χ2 χ2 0,95 α=0,05 :
K .
χ20,05;4 = 9,5.
:
χ2< χ20,05;4
33,1<9,5
, , .
:
, χ2< χ20,05;4 . . , .
13
. , , . , . . . , . ?