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Texas Instruments TI-84 PLUS Graphing calculator Black, Grey battery-powered (W x H x D) 89 x 27 x 192 mm
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Anhang B: Allgemeine Hinweise
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Andernfalls:
wobei
Sxp
die zusammengefaßte V
arianz ist.
Sx
p
n
1
1
–
()
Sx
1
2
n
2
1
–
()
Sx
2
2
+
df
----------------
-------------------
-------------------
-------------
-
=
S
1
n
1
----
-
1
n
2
----
-
Sx
p
+
=
df
n
1
n
2
2
–
+
=
1
...
...
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...
...
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