Математика (Статистика, корреляция и регрессия). Кислов К.К. - 19 стр.

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МГТУ ГА | Москва

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(y
i
+0,511)
2
90,687 18,922 0,184 15,166 1,974 36,144 0,998 8,032 11,458 89,946 273,461
(x
i
-26.420)×
(y
i
+0,511)
-95,762 -36,184 1,711 6,553 3,630 -27,733 -3,390 -2,216 -14,806 -91,568 -259,761
i 21 22 23 24 25 26 27 28 29 30
∑
30
21
x
i
20,393 25,678 28,425 19,728 23,553 26,170 30,320 26,537 28,581 22,104 251,486
y
i
-4,880 -6,908 -7,099 4,808 -1,619 -2,694 -4,702 -3,510 -4,525 1,768 -29,66
x
i
-26,420
-6,027 -3,574 2,005 -6,892 -2,867 -0,25 3,904 0,117 2,161 -4,316
y
i
+0,511
-4,269 -3,569 -6,588 5,319 -1,108 -2,183 2,880 -3,399 -4,014 2,279
(x
i
-26.420)
2
36,324 12,773 4,020 47,501 8,219 0,062 15,241 0,014 4,670 18,628 145,457
(y
i
+0,511)
2
18,224 12,738 43,402 2,829 1,228 4,765 8,294 11,553 16,321 5,194 150,213
(x
i
-26.420)×
(y
i
+0,511)
25,729 12,755 -13,207 -35,595 3,488 0,546 11,243 -0,398 -8,730 -9,837 -14,006
i 31 32 33 34 35 36 37 38 39 40
∑
31
40
x
i
22,677 24,261 28,390 32,017 20,591 24,685 28,984 33,347 25,703 27,294 267,949
y
i
7,672 0,035 -2,934 -3,988 1,400 1,902 -1,378 0,071 1,662 1,131 5,573
x
i
-26,420
-3,743 -2,159 1,970 5,597 -5,829 -1,735 2,564 6,927 -0,717 0,874
y
i
+0,511
8,183 0,546 -2,423 -3,477 1,911 2,413 -0,867 0,582 2,173 1,642
19
                                                                 19
(yi+0,511)2     90,687    18,922    0,184      15,166    1,974        36,144    0,998     8,032     11,458    89,946    273,461


(xi-26.420)×    -95,762   -36,184    1,711     6,553     3,630        -27,733   -3,390    -2,216    -14,806   -91,568   -259,761

(yi+0,511)




      i            21        22        23        24        25            26        27       28         29        30       30

                                                                                                                         ∑21
      xi         20,393    25,678    28,425    19,728    23,553        26,170    30,320   26,537     28,581    22,104   251,486


      yi         -4,880    -6,908    -7,099     4,808    -1,619        -2,694    -4,702    -3,510    -4,525     1,768    -29,66
  xi-26,420      -6,027    -3,574     2,005     -6,892   -2,867         -0,25     3,904    0,117      2,161    -4,316
 yi+0,511        -4,269    -3,569    -6,588     5,319    -1,108        -2,183     2,880    -3,399    -4,014     2,279
 (xi-26.420)2   36,324    12,773     4,020     47,501    8,219        0,062      15,241   0,014     4,670     18,628    145,457
 (yi+0,511)2     18,224    12,738    43,402     2,829     1,228         4,765     8,294   11,553     16,321     5,194   150,213


 (xi-26.420)×   25,729    12,755     -13,207   -35,595    3,488         0,546    11,243   -0,398    -8,730     -9,837   -14,006

 (yi+0,511)




      i           31         32        33        34        35            36        37       38         39        40       31

                                                                                                                         ∑40

      xi         22,677    24,261    28,390    32,017    20,591        24,685    28,984   33,347     25,703    27,294   267,949


      yi        7,672       0,035    -2,934     -3,988    1,400         1,902    -1,378    0,071      1,662     1,131    5,573
  xi-26,420      -3,743    -2,159     1,970      5,597   -5,829        -1,735     2,564    6,927     -0,717     0,874
  yi+0,511        8,183     0,546    -2,423     -3,477    1,911         2,413    -0,867    0,582      2,173     1,642

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