1
Chapter 11: Hypothesis Testing Continued
1.
Steps for Hypothesis Testing
a.
State the null hypothesis and the alternate hypothesis
b.
Specify an acceptable risk of rejecting the null hypothesis when it is true
c.
Select the test statistic and list the assumptions of the test statistic
d.
Formulate the decision rule and draw a graph
e.
Obtain a random sample of size n from the population, compute the test
statistic, and make a decision about the null hypothesis and alternative
hypothesis. State decision.
2.
List of Tests
a.
One Sample Tests:
i.
Z Test
ii.
T Test
iii.
Proportions Test
iv.
Correlation Test
b.
Two Sample Tests:
i.
Independent Samples:
1.
Z Test
2.
Pooled T Test
3.
Separate Variance T Test
4.
Proportions Test
ii.
Dependent Samples:
1.
Paired T Test
3.
One Sample Tests in Depth
a.
One Sample Z Test
i.
Hypothesis
1.
:
,
,
o
o
o
o
H
μ
μ
μ
μ
μ
μ
=
≥
≤
2.
:
,
,
A
o
o
o
H
μ
μ
μ
μ
μ
μ
≠
<
>
ii.
Test Statistic
o
x
z
n
μ
σ
−
=

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