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Statistik, 15th Edition
book

Statistik, 15th Edition

by Joachim Hartung, Bärbel Elpelt, Karl-Heinz Klösener
January 2012
Intermediate to advanced content levelIntermediate to advanced
1178 pages
51h 43m
German
De Gruyter Oldenbourg
Content preview from Statistik, 15th Edition
Kap. X: Regressionsanalyse 599
Tab. 9: Bearbeitungszeiten, Durchmesser und Länge von 10 Werkstücken, geschätzte Bear-
beitungszeiten yj(xi, x
2
) und y^i))
m
't x<i> =
'
yi
*li *2i
yi(xi.x2)
1 24
4
31 22,401 19,742
2 28 6 3 29,311 31,032
3 25
5
7 23,446 25,387
4 13 3 29 15,090
14,097
5 27 5
27 28,266
25,387
6
14 3 18 12,439 14,097
7 15 3 28 14,849 14,097
8 32 6 17 32,685 31,032
9
14 4 8 16,858
19,742
10 28 5 12
24,651 25,387
so ergeben sich die Klein ste-Quadrate-Schätzer
b
x
= 6,829, b
2
= 0,241
und somit
a = 22 - 6,829 · 4,4 - 0,241 · 18 = -12,386,
so daß sich
y(x x
2
) = -12,386 + 6,829x! + 0,241 x
2
ergibt ...
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Publisher Resources

ISBN: 9783486590289