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Central Tendency
hard
0:00.0
If the sum of
n
n
n
observations is
S
S
S
, what is the mean?
A
n
S
nS
n
S
B
S
/
n
S/n
S
/
n
C
S
−
n
S-n
S
−
n
D
S
+
n
S+n
S
+
n
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