Free online statistical calculators
Just want to run a quick statistical test on some data? Try our free online calculators, which let you use the graphing and statistical test functions of DataClassroom without signing up for an account. Sign up to use the full app.
T-test
To see if there is a significant difference between two groups of results.
ANOVA
To see if there is a significant difference between three or more groups of results.
Chi-square Goodness of Fit
To see whether the distribution of result values differs significantly from the expected distribution.