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Sampling and Data Distributions
Population vs. sample, law of large numbers, central limit theorem, and sampling distributions.
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A population has
σ
=
12
\sigma=12
σ
=
12
.
Find the standard error of
X
ˉ
\bar{X}
X
ˉ
for
n
=
9
n=9
n
=
9
.
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n
( )
x
n
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AC
7
8
9
+
4
5
6
−
1
2
3
×
0
.
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b
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