Hypothesis Test for the Mean
Normal Distribution
Question
1
State the Hypotheses
H
0
: μ =
H
1
: μ
<
>
≠
Check
2
Sample Information
n
=
Significance level =
%
Check
3
Distribution of the Sample Mean —
~ N
(
,
)
Check
4
Critical Region
Critical value:
(3 s.f.)
Critical values:
and
(3 s.f.)
Check
5
Decision
— select —
is in
is not in
the critical region.
Check
6
Conclusion
— select —
Reject
Do not reject
H
0
.
Check
✓ Excellent work — hypothesis test complete!
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