'  г
 г  
   
   
...


г y = ax + b












' Y X i
г

( )
k = a = 3.77
( )


sy0 = 989.32 + 14.76 = 1004.08
, x y

R2= 0.99 2 = 0.99
98.5081 % y. - -
x y x 2 y 2 x ∙ y y(x) (y-y cp) 2 (y-y(x))2 (x-x p) 2
2.00 4.33 4 18.75 8.66 6.36 143.54 4.11 6.98
2.50 9.50 6.25 90.25 23.75 8.24 46.39 1.59 4.59
3.00 9.12 9 83.17 27.36 10.12 51.71 1.01 2.7
3.50 13.01 12.25 169.26 45.54 12.01 10.89 1.01 1.31
4.00 13.12 16 172.13 52.48 13.89 10.18 0.59 0.41
4.50 16.05 20.25 257.6 72.23 15.77 0.07 0.08 0.02
5.00 18.43 25 339.66 92.15 17.66 4.49 0.6 0.13
5.50 18.52 30.25 342.99 101.86 19.54 4.88 1.04 0.73
6.00 20.18 36 407.23 121.08 21.42 14.97 1.54 1.84
6.50 24.15 42.25 583.22 156.98 23.3 61.45 0.71 3.45
7.00 25.25 49 637.56 176.75 25.19 79.91 0 5.56
7.50 26.74 56.25 715.03 200.55 27.07 108.77 0.11 8.16
8.00 29.95 64 897 239.6 28.95 186.03 0.99 11.27
0 0 0 -1.17 266.04 1.38 21.56
65 228.35 370.5 4713.87 1318.98 228.35 989.32 14.76 68.71



T
T(n-m-1;a) = (12;0.05) = 1.782
T > T , 0 . , - .
( )


r(0.9854;0.9996)






Sa = 0.1338
.

, 95% Y X = 5
(15.61;19.7)


1) t-


a

b

, 95% :
(a - t a Sa; a + t a S a)
(3.5276;4.0044)

(b - t b S b; b + t bS b)
(-2.4008;0.0521)

2) F-


Fkp = 4.75
F > Fkp, .