Вовед во статистика за инженери 1.Ж3 - Дел А
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Transcript of Вовед во статистика за инженери 1.Ж3 - Дел А
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41
.3 M .
:
. ( ). - .
. ,
.
, :
1. . 2. , M . 3. , M
.
. , ( ) . , . , . ( !)
.3. N N/2 ( ).
N N=2j, a
N N=2j+1.
M :
N N=2j, : 12
j jx xM ++= (5)
N N=2j+1, : 1jM x += (5)
.3. - N = N/2.
k1, k2, kn f1, f2, fn..
M - :
pM k= +1- p- (6)
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42
.3. N = N/2 M1, M2, Mn f1, f2, fn.
M :
pM M= +1- p- (7)
.7: 42 ( ) 11 . , . (1 )
55 46 50 45 53 52 48 55 56 70 64
42:
: , . : N=11
( ) (1) 1 2 ... 55 46 50 45 53 52 48 5 545 56 70 64 59
11 114N
Nx x x+ + + + + + + + + + + =+ +m = = = .
: 45 46 48 50 52 53 55 55 56 64 70
43:
N=11 e , j = 11 52 2N = = .
+1=5+1=6- , =53. : : 54m = , : =53.
: . , (70 ) .
. 37 0. ( 0). 38 . , 0 ( , 45.20, B 45.30,
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43
45.00).
37: M 0
38: M
.4.: 44 10 - . .
95 87 81 55 26 77 79 85 34 86
44:
: -1-, N=10 , .. 70.5m = . ,
45 26 34 55 77 79 81 85 86 87 95
45:
N=10 e , j = 10 52 2N = = .
N e =5- +1=6- . 45.
1 79 81 80.02 2
j jx xM ++ += = =
: : 80.0M = : , . , , .
.5.: 30 46.
.
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44
30 4 5 5 3 2 2 5 5 5 5 1 3 5 4 2 1 3 3 5 4 3 5 5 5 4 2 2 4 2 5
46: -
: -5-, -, N=30 , .. =3.63.
,
47
1 1 2 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5
47:
N=30 e 4-. =4
: M=4
.2.: 46Error! Reference source not found. - 48. .
k 1 2 3 4 5
f 2 6 5 5 12 f=30
48: -
: : N=30, j=15. 15+1=16 . ?
/ 16- ( 49).17
k f 16 1 2 2 2+6=8 3 8+5=13 4 13+5 =18
49:
4, M=4.
: M=4
17 .