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Calculators

2 Sample t-test
Compares the means of two data-sets using the t-distribution.

1 Sample t-test
Compares the means of one data-set against a test mean using the t-distribution.

Percentiles from the t-Distribution
Calculates the percent of area under the student t distribution given a t-score and degrees of freedom.

Inverse t-Distribution
Calculates the critical value from the student t distribution given a proportion of area and degrees of freedom.

Standard Deviation
Computes the sample standard deviation and population standard deviation from a dataset.

Tutorials