3 5-7,6, 7,6-10,2 10,2-12,8, () 2,6 ().
(1) =5+2,6* = 5,8 .
(2)=7,6+2,6* = 7,6.
(3)=10,2+2,6* = 10,2
: 䳿 5,8, 7,6, 10,2 .
188,6-222,4 /, () 33,8 /.
=188,6+33,8* =195 /.
: 䳿 195 /.
. 䒺
0,69-0,752, () 0,062
=0,69+0,062* =0,72
: 䳿 . 䒺 0,72.
, , , .
:
0 ;
;
m ;
m ;
Sme- 1
10,2-12,8 ,
() 2,6 .
=10,2+2,6* = 10,85 .
: 50% 䳿 , 10,85 ., 50% - , 10,85 .
188,6-222,4 /, () 33,8 /.
=188,6 + 33,8* =199 /.
: 50% 䳿 , 199 /, 50% - , 199 /.
. 䒺 0,814-0,876, () 0,062.
=0,814+0,062* = 0,814
: 50% 䳿 . 䒺 , 0,814, 50% - , 0,814.
3.4. ,
.
.
; |
s |
- |
= |
- |
‑ ;
;
;
s‑
<0, .
>0, .
=0 .
, .
s‑ ;
m‑ .
‑ ;
|
|
Xi ;
åmi .
>3, .
Ż3 .
<3 ‑ .
, , . :
1. > M>Mo;
2. < M<Mo.
:
1) :
= (201-195)/ 45= -0,44
= 0,13, <0, > M>Mo, 201>199>195. , m4 s4:
[(137,9-201) 4*3+(171,7-201) 4*4+(205,5-201) 4*6+(239,3-201) 4*2+(273,1-201) 4*3) ]/18= 135884067,38/18=7549114(/.4)
s4 =18902=3572100(/. 4)
=7549114/3572100 = 2,11
=2,11, <3, , , .
2) :
2.1 =(11,06-5,8)/3,83=1,37
= 1,37, >0, , > M>Mo, 11,06 >10,85>5,8, .
, m4 s4:
[(6,3-11,06) 4*4+(8,9-11,06) 4*4+(11,5-11,06) 4*4+(14,1-11,06) 4*3+(16,7-11,06) 4*3]/18=5432,44/18= 301,8 (. 4)
s4 =14,722= 216,6 (. 4)
=301,8/216,6= 1,39
= 1,39, <3, , , .
2.2 =(11,06-7,6)/3,83= 0,90
= 0,90, >0, , > M>Mo, 11,06 >10,85>7,6, .
, m4 s4:
[(6,3-11,06) 4*4+(8,9-11,06) 4*4+(11,5-11,06) 4*4+(14,1-11,06) 4*3+(16,7-11,06) 4*3]/18=5432,44/18= 301,8 (. 4)
s4 =14,722= 216,6 (. 4)
=301,8/216,6= 1,39
= 1,39, <3, , , .
2.3 =(11,06-10,2)/3,83= 0,22
= 0,22, >0, , > M>Mo, 11,06 >10,85>10,2, .
, m4 s4:
[(6,3-11,06) 4*4+(8,9-11,06) 4*4+(11,5-11,06) 4*4+(14,1-11,06) 4*3+(16,7-11,06) 4*3]/18=5432,44/18= 301,8 (. 4)
s4 =14,722= 216,6 (. 4)
=301,8/216,6= 1,39
= 1,39, <3, , , .
3) . .:
=(0,84-0,72)/0,115=1,04
=1,04, >0, , > M>Mo, 0,84>0,814>0,72 .
, m4 s4:
[(0,721-0,84) 4*8+(0,783-0,84) 4*1+(0,845-0,84) 4*1+(0,907-0,84) 4*1+(0,969-0,84) 4*7]/18= (0,001604+0,00001056+0+0,00002015+0,001938)/18=0,003573/18=0,0001985
|
|
s4 =0,01322=0,0001742
=0,0001985/0,0001742= 1,14
= 1,4, <3, , , .
3.5. .
. :
;
;
.
:
;
ᒺ , .
:
s2 , ;
n ;
N ‑ .
, t:
D = t*m,
t = 1, t = 2, t = 3, = 0,683, = 0,954, = 0,997 .
, :
0,85
t=2, 0,954:
D = 2*0,85 = 1,71
, , , :
11,06-1,71< <11,06+1,71
9,35< <12,77 .
, :
t=2, 0,954:
D = 2*9 = 18
, , , :
201-9 < <201+9
192< < 210/.
. 䒺, :
0,0257
t=2, 0,954:
D = 2*0,0257 =0,051
, , , . 䒺 :
0,84-0,051< <0,84+0,051
0,789< <0,891