: |x|, |y|, N() Y.
1) :
:
27
X1 | X2 | X1X2 | Y | |
- | - | + | ||
+ | - | - | ||
- | + | - | ||
+ | + | + | ||
b1 | b2 | b12 |
b0 = 5, x0 → +
:
:
2) (S2.), (S2.):
q, N
l, k
23.
3)
4)
: t - . ( ) .
.
, .
, , .
(Δbj)
t , , ( 0,05); -
:
, . .
t , . 60.4.
. .
. .
28
5,3 | 5,5 | |
5,3 | 2,6 |
29
t | t | t | |||
12,71 | 2,201 | 2,080 | |||
4,303 | 2,179 | 2,074 | |||
3,182 | 2,160 | 2,069 | |||
2,776 | 2,145 | 2,064 | |||
2,571 | 2,131 | 2,060 | |||
2,447 | 2,120 | 2,056 | |||
2,365 | 2,110 | 2,052 | |||
2,306 | 2,101 | 2,048 | |||
2,262 | 2,093 | 2,045 | |||
2,228 | 2,086 | 2,042 | |||
∞ | 1,960 |
( α), .
|
|
: , , . t ,
t α . .
.
0:
0 (): , .
, , .
5) :
Y. (.. ).
, , , .. y = f(x) p.