Use the Sampling tab to generate samples from a population.
- Prerequisites
- Select a Dataset
-
Under Settings, set Variable 1 to the variable for
which you want to generate samples.
-
If you selected a categorical variable, set
Level of Variable 1 to the value of interest.
Test Parameter is set automatically either to Mean
or Proportion based on the variable type. If needed, edit the variable to
change the type.
-
Set the Number of Samples to generate.
-
Set the Sample Size.
-
Click Generate Samples.
A dot plot displays the sampling distribution of each generated sample's statistic.
Below the dot plot, either a summary table or graph displays statistics for both the
original
dataset and the currently selected sample.
-
If needed, click Generate Samples again to add more samples.
- To start again, click Reset.
- To clear a variable, click ╳ beside it.
- Optional:
To select a sample, click its dot in the dot plot.
The sample comparison data below the dot plot is updated.
- Optional:
Adjust the Proportion, α, and Critical Values.
- Use the Proportion slider.
- Enter the Critical Value—or both values if you are coloring both
tails.
The Proportion, α, and Critical Values and shading of the dot plot are updated.
- Optional:
Select which tail to color in the dot plot.
- Color Left Tail
- Color Right Tail
- Color Both Tails