Carrying Out Test for Population Mean
AP Statistics · Flashcards · Application
AP STATISTICS · FLASHCARDS
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QUESTION
Calculate the test statistic:
x
ˉ
=
98
\bar{x} = 98
x
ˉ
=
98
,
μ
=
100
\mu = 100
μ
=
100
,
s
=
5
s = 5
s
=
5
,
n
=
25
n = 25
n
=
25
.
QUESTION
Calculate the test statistic:
x
ˉ
=
98
\bar{x} = 98
x
ˉ
=
98
,
μ
=
100
\mu = 100
μ
=
100
,
s
=
5
s = 5
s
=
5
,
n
=
25
n = 25
n
=
25
.
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ANSWER
t
=
−
2
t = -2
t
=
−
2
. Using
t
=
98
−
100
5
/
25
=
−
2
1
=
−
2
t = \frac{98-100}{5/\sqrt{25}} = \frac{-2}{1} = -2
t
=
5/
25
98
−
100
=
1
−
2
=
−
2
.
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