6 :
- 16 (i = 1);
- 19 (i = 2);
- 21 (i = 3);
- 23 (i = 4);
- III-IV .
16 . 4 .
4 16
b1 b0 4 :
b1 = [ Yi ti - ( Yi ti) / n ] / [ t2i - ( ti)2 / n ] = [82284-(22653*21)/6]/[91- /6]=171,343;
b0 = ( Yi - b1 ti) / n=(22653-171,343*21)/6 = 3175,8;
16 :
Y(tK) = 3175,8 + 171,343 tK.
:
Y7 = b0 + b1*tK = 3175,8 + 171,3437 ≈ 4375.
. 5.
:
Y = Yi / n = 22653 / 6 = 3775,5
5
3347,14 | -428,36 | 183489,84 | -36,14 | 1306,31 | ||
3518,49 | -257,01 | 66056,34 | 73,51 | 5404,35 | ||
3689,83 | -85,67 | 7339,59 | -81,83 | 6695,92 | ||
3861,17 | 85,67 | 7339,59 | 82,83 | 6860,57 | ||
4032,51 | 257,01 | 66056,34 | -33,51 | 1123,21 | ||
4203,86 | 428,36 | 183489,84 | -4,86 | 23,59 | ||
513771,56 | 21413,94 |
( c ):
R0 = (Yi - yi)2 = 21413,94.
, ( ):
Rp = (yi - Y)2 = 513771,56;
RΣ = R0 + Rp = 21413,94+ 513771,56 =535185,5.
:
R2 = Rp / RΣ = 513771,56 / 535185,5 = 0,96,
.., , .
16 III-IV , , . 6.
6
|
|
1- , /. | Q1¢ | 3175,8 | 171,343 | 0,960 | |
2- , /. | Q2¢ | 8953,27 | -63,6 | 8508,07 | 0,414 |
3- , /. | Q3¢ | 659,93 | 59,69 | 1077,73 | 0,931 |
4- , /. | Q4¢ | 6655,07 | 640,74 | 11140,27 | 0,988 |
III-IV , ./ | 9,67 | 0,5 | 13,17 | 0,966 | |
- , /. | 89,20 | 23,66 | 254,8 | 0,989 | |
, 5, /100 | 143,47 | 8,77 | 204,87 | 0,998 | |
, ./ | 12,76 | 0,45 | 15,94 | 0,952 |
1 - 16, 19, 21, 23
2
3 - -
4 , 5
5