: ; .
.
:
- , 1, ;
- ;
- , 1, ;
- , , y1 y2 y2 y1 , n1, n2.
ճ
1. EXCEL.
2. 1 4, 2.
3. .4 3 3 n1 n2 .
4. 6 6 X1 X2 :
5 : =150+3/2, 5: =70+3/5.
5. :
D6:I6 ( : D6=5,3+A3/2; E6=2+B3/5; F6=1+A3/10; G6=3,3+A3/5; H6=3+B3/10; I6=2+B3/2).
6. C2:J2, C3:J3 .
7. :
D9:I9 ( : D9=F6/J7; E9=H6/E6; F9=(E6*I6-F6*H6) /I6; G9=(E6*I6- F6*H6)/E6; H9=(D6*I6-F6*G6) /I6; I9=(E6*G6-D6*H6) /E6).
8. C11:J11, C12:J12 .
9. 8 8 Y :
8 : =D6+E6*A5+F6*B5, 8: =G6+H6*A5+I6*B5.
10. 11 11 :
11 : =(E9*A8)/B8, 11: =(D9*B8)/A8).
11. .
12. ' 4.
²
1. .
( x y, , ) :
-
; (5.1)
-
. (5.2)
2. (), , , .
³, 5.3 5.4:
|
|
(5.3)
(5.4)
rxy - x y;
(5.5)
Sy, Sx - ; :
; (5.6)
, -
; . (5.7)
:
0.934 | 4.89 | 14.03 | 9.89 | 3.14 | 151.12 | 12.29 | 3.654 | -3.836 |
:
y =-3.836+3.654× X
, . . , .
(5. 3-5. 7) .
0.998 | 4.89 | 2.24 | 9.89 | 3.14 | 0.91 | 0.95 | 0.302 | 0.764 |
2.147 :
y = 2.147 × e 0.302 ×x.
3. . :
(5.8)
- , .
:
- 20,214;
- 0,071.
, , y. , ,
y = 2,147× e 0,302 ×x .
4. r .
(5.9)
2,2. t= 68.814.
t- a= 0,05 k = n-2 = 20-2 = 18, 2,1.
, r, d, = 1-a = 1-0,05 = 0,95.
, d .
5. Գ. :
(5.10)
F = 2115,28.
F- a = 0,05 k1 = m = 19 k2 = n-m-1 = 20-2 = 18
Գ , .
6. .
:
. (5.11)
ϳ [5.11] :
.
x 0,0 £ £ 9,8 0,00 £ Kx £ 2,96. , 1% 1,48 %.
, 1, ' . , .
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