January 2012
Intermediate to advanced
1178 pages
51h 43m
German
Content preview from Statistik, 15th Edition
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474 Kap. VII: Analyse diskreten Datenmaterials
Varu
12(12)
= ^ 1-- 1-- Σ
t
2
\
r/ V s/
k' 12k'
+
1
Γ · t/ V s/ k' ί'ΦΙ
n
i'2k'
+ (-4-ΤΤΣ ς Σ
1
Γ
·
S · t/ k' ί'ΦΙ j'
Φ 2
n
i'j'k'
2
2
(* 3) (* 3) (l27
+
142
/ 1 \γ J_ J_ J.
+
Vi^/ V
1
3) \258
+
376
+
507
+
873
(
1
X(\ ΛΥ
1
-1 — 1
~\3·2/ I 3J \198
+
58
+
184
+
35
1 λ
2
/ 1 1111 111
1 1 1 1
+
^3·3·2/ \207 201
+
77
+
26
+
120
+
172
+
56
+
17
= ~
•
0,01492 + ^
·
0,00965 + ^
•
0,05630 + ^
·
0,15208
= 0,00202.
Damit ergibt sich eine Standardabweichung von 0,0449. Wir erhalten somit als
Schranken für ein 95%-Konfidenzintervall von u
12
(i
2
)
-0,6096- 1,96 0,0449 =-0,6976 und -0,6096 + 1,96 · 0,0449 =-0,5216.
Es