One Categorical Variable, Multiple Groups
Input data as:
Enter the data (category names) for each group. Separate with commas or spaces. Category names cannot have spaces in them.
Bar chart type:
Label bar graph with:
Simulate difference in percents/proportions
2-sample z interval (p₁ - p₂)
2-sample z test (p₁ - p₂)
Chi-square test for homogeneity
p₁ - p₂ > 0
p₁ - p₂ < 0
p₁ - p₂ ≠ 0
Category to indicate as success:
Simulates the distribution of the difference in sample
of successes when the observed successes and failures are combined, shuffled, and redistributed into two groups that match the sizes of the original groups.
Number of trials to add:
The applet will graph all of your results until you hit "Reset simulation."
Count the number and percent of dots
or equal to
# of trials:
Most recent result:
Adjust color, rounding, and percent/proportion preferences
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