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St
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2=na
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s
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me
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mp
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r
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p
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r
t
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o
n
,
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p
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l
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t
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p
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t
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n
,
n=s
a
mp
l
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i
z
e
,
s
=s
a
mp
l
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D
,
=p
o
p
u
l
a
t
i
o
nS
D
, =s
a
mp
l
eme
a
n
,
=
p
o
p
u
l
a
t
i
o
nme
a
n

Testing of Hypothesis - formula sheet.pdf