One Quantitative Variable, Single Group
Mean and standard deviation
Input data separated by commas or spaces.
Normal probability plot
Label histogram with:
Enter interval width:
Enter boundary value:
Yes, into two groups
Yes, into five groups
additional decimal places to the left, truncating as needed.
Collapse groups of empty stems?
Collapse groups of
or more empty stems.
Simulate mean difference
Simulate sample mean
1-sample t interval for μ
1-sample t test for μ
1-sample χ² interval for σ
1-sample χ² test for σ
Sign test for paired data
Sign test for population median
Wilcoxon signed rank test for paired data
Wilcoxon signed rank test for population median
Hypothesized standard deviation:
Alternative hypothesis is that the population median difference (Group 1 - Group 2) is
Alternative hypothesis is that the population median is
Number of samples 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
Find endpoints for the middle
% of simulated means
# of samples:
Most recent result:
Adjust color, rounding, and percent/proportion preferences
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