:
=
-
= = = 38,76667
:
=
, : 1 = 3 1 = 2
= 0,163333
3.2. [3]
y = b0 + b1x1 + b2x2 + b3x3 + b12x1x2 + b13x1x3 + b23x2x3 + b123x1x2x3
.
5.
5.
x0 | x1 | x2 | x3 | x12 | x13 | x23 | x123 | y | |
+ | + | + | + | + | + | + | + | 76,2 | |
+ | - | + | + | - | - | + | - | 60,0 | |
+ | + | - | + | - | + | - | - | 35,5 | |
+ | - | - | + | + | - | - | + | 26,7 | |
+ | + | + | - | + | - | - | - | 41,0 | |
+ | - | + | - | - | + | - | + | 35,1 | |
+ | + | - | - | - | - | + | + | 11,8 | |
+ | - | - | - | + | + | + | - | 9,5 |
b0 =
, N
b0 = = = 36,975
, j,i ;
N .
b1 = = = 4,15
b2 = = = 16,1
b3 = = = 12,625
b12 = = = 1,375
b13 = = = 2,1
b23 = = = 2,4
b123 = = = 0,475
y= 36,975+ 4,15x1 +16,1x2 + 12,625x3 +1,375x12 + 2,1x13 + 2,4x23 + 0,475x123
S{b}2 = = = 0,020417
S{b} = S{b}2 = = 0,142887
:
∆b = S{b} tT(φ;α)
, tT [1];
α , α=0,05
: 1 = 3 1 = 2
tT(φ;α) = tT(2;0,05) = 4,303
∆b = 0,142887 4,303 = 0,614843
|bj| > ∆b,
|b1| > ∆b
|b2| > ∆b
|b3| > ∆b
|b12| > ∆b
|b13| >∆b
|b23| > ∆b
|b123| < ∆b
:
y= 36,975+ 4,15x1 +16,1x2 + 12,625x3 +1,375x12 + 2,1x13 + 2,4x23
: 0,475x123 .
, .
=
, - , i-
= N (k+1) = 8 (6 + 1) = 1
, k , b0
y= 36,975+ 4,15x1 +16,1x2 + 12,625x3 +1,375x12 + 2,1x13 + 2,4x23
1 = 36,975+ 4,15 +16,1 + 12,625 +1,375 + 2,1 + 2,4= 75,725
2 = 36,975-4,15 +16,1 + 12,625 -1,375 - 2,1 + 2,4=60,475
3 = 36,975+ 4,15 -16,1 + 12,625 -1,375 + 2,1 - 2,4=35,975
|
|
4 =36,975-4,15 -16,1 + 12,625 +1,375- 2,1 - 2,4=26,225
5 = 36,975+ 4,15 +16,1 - 12,625 +1,375 - 2,1 -2,4=41,475
6 = 36,975-4,15 +16,1 - 12,625 -1,375 + 2,1 -2,4=34,625
7 = 36,975+ 4,15 -16,1 - 12,625 -1,375 - 2,1 + 2,4=11,325
8 = 36,975- 4,15 -16,1 - 12,625 +1,375 + 2,1+2,4=9,975
5.
5.
y | |(y - | | ||||
76,2 | 75,725 | 0,475 | 0,225625 | ||
60,0 | 60,475 | 0,475 | 0,225625 | ||
35,5 | 35,975 | 0,475 | 0,225625 | ||
26,7 | 26,225 | 0,475 | 0,225625 | ||
41,0 | 41,475 | 0,475 | 0,225625 | ||
35,1 | 34,625 | 0,475 | 0,225625 | ||
11,8 | 11,325 | 0,475 | 0,225625 | ||
9,5 | 9,975 | 0,475 | 0,225625 | ||
1,805 | |||||
= = 1,805
[1]. :
Fp = = 11,05104
, Fp - ;
F - F (α, φ, φ)
α= 0,05;
φ = 2;
= 1
F (α, φ, φ) = 199,5
Fp < F (11,05104< 199,5) , .
:
y= 36,975+ 4,15x1 +16,1x2 + 12,625x3 +1,375x12 + 2,1x13 + 2,4x23
.
: 2 (t),;
: 3 , x1 ,%.
1. .. : . / . -...- () - : (), 2010- 146 .
2. .., .., .. : . / . -...- (). - : +, 2007. - 120 .
3. .., .. : . . . . - .: "", 2005. - 288 .