, | , .(f) | (x ) | () | ||
0-3 | 1,5 | -5,0 | 25,0 | 150,0 | |
3-6 | 4,5 | -2,0 | 4,0 | 28,0 | |
6-9 | 7,5 | +1,0 | 1,0 | 10,0 | |
9-12 | 10,5 | +4,0 | 16,0 | 80,0 | |
12-15 | 13,5 | +7,0 | 49,0 | 98,0 | |
: | - | - | - | 366,0 |
:
= = = = 6,5
:
, . . :
.
,
( = 6,5) 3,5 0 15 .
, .. (V):
.
, .
5.7.4. :
, % () | (f) | S | x | x f |
14 | ||||
14-16 | ||||
16-18 | ||||
18-20 | ||||
20 | ||||
- | - |
:
:
= 14+2 = 14,3%;
= 18+2 =18,0%.
, 14,3%, 18,0%, .. 25% , 14,3%, 75% 18%.
5.7.5. 1- 9- :
, % () | (f) | S | x | x f |
14 | ||||
14-16 | ||||
16-18 | ||||
18-20 | ||||
20 | ||||
- | - |
:
:
= 12+2 = 13%;
= 20+2 =20%.
, , 10% 13%, 10% 20%, .. 1,54 .
|
|
5.7.6. () 24 :
(): 4; 3; 6; 4; 4; 2; 3; 5; 4; 4; 5; 2; 3; 4; 4; 5; 2; 3; 6; 5; 4; 2; 4; 3.
:
1. ,
2. ,
3. , .
:
1. :
(), () | , (f) | , (S) |
- |
2. :
|
, , ( = 1 = 7).
3. : , .
() :
.
(0) = 4 (4 9 , .. f).
, :
N = ;
() = 4 ( 12 13 4 ).
: (R), (), (σ2), (σ), (V).
- :
R = Xmax Xmin = 6 2 = 4
- :
() | (f) | |||
-1,8 -0,8 +0,2 +1,2 +2,2 | 7,2 4,0 1,8 4,8 4,4 | 12,96 3,20 0,36 5,76 9,68 | ||
22,2 | 31,96 |
, 1,15 , 30,3%.
( > ) .
(V = 30,3%) , .
, :
, , .
5.7.7. :
, .. | 15,0 | 15,0-16,0 | 16,0-17,0 | 17,0-18,0 | 18,0-19,0 | 19,0 | |
.
.
:
:
:
;
, , :
|
|
- ,.. | 15,0 | 15,0-16,0 | 16,0-17,0 | 17,0-18,0 | 18,0-19,0 | 19,0 |
( ) |
, 15,0 - 16,0, 18,0 19,0.
:
.. 15292,1 .
.. 18461,5 .
=
, 10% 1,21 10% .
5.7.8. N - (): 18, 38, 28, 29, 26, 38, 34, 22, 28, 30, 22, 23, 35, 33, 27, 24, 30, 32, 28, 25, 29, 26, 31, 24, 29, 27, 32, 25, 29, 29.
:
1. ;
2. , ;
3. .
:
1. :
n ( ) 7.
:
(), | , f | , S |
18-21 21-24 24-27 27-30 30-33 33-36 36-39 | ||
- |
2. (, , ):
,
: - ( ).
() , 27-30 , (f = 10) .
:
= 0 + i =
= .
() , :
27-30 , 15 16 .
= .
:
-, | , (), | f | |||||
18-21 21-24 24-27 27-30 30-33 33-36 36-39 | 19,5 22,5 25,5 28,5 31,5 34,5 37,5 | 19,5 67,5 153,0 285,0 157,5 103,5 75,0 | -9,2 -6,2 -3,2 -0,2 2,8 5,8 8,8 | 9,2 18,6 19,2 20,0 14,0 17,4 17,6 | 84,64 38,44 10,24 0,04 7,84 33,64 77,44 | 84,64 115,32 61,44 0,40 39,20 100,92 154,88 | |
- | 861,0 | - | 116,0 | - | 556,80 |
.
, , .
:
.
, , .
:
< <
, ..
28,3 < 28,6 < 28,7.
, , ():
, :
4 ,
σ4 - .
= =
.
.