Example: Power Analysis for One Proportion
To create this example:
-
In the
Tasks section,
expand the
Power and Sample Size folder,
and then double-click
Tests of Proportions.
The user interface for the Tests of Proportions task opens.
-
From the
Type
of test drop-down list, select
One proportion.
-
Under the
Solve
For heading, select
Power.
Note: Only the Power option
is available for a one-proportion test.
-
From the
Select
the number of sides of the test drop-down list, select
One-sided
test.
-
For the proportion,
enter
0.2. For the null proportion,
enter
0.3.
-
For the sample size,
enter
119.
-
To run the task, click
.
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