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# Calculators :: Statistics Calculators :: T-Test Calculator

The Student's t-test is used to determine if means of two data sets differ significantly. This calculator will generate a step by step explanation on how to apply t - test.

## Two sample t-test

Use this calculator to test whether population means are significantly different from each other.
Enter the numbers separated by comma(,) , colon(:), semicolon(;) or blank space.

Use data grit to input values
 Groups Have Equal Variance (default) Groups Have Unequal Variance
 Two Tailed Test (default) One Tailed Test
 0.05 (default) 0.01 0.001
 Unpaired T Test (default) Paired (Dependent) T Test
Show me the solution without an explanation

## One sample t-test

Use this calculator to compare the mean of dataset against a hypothetical mean that you provide.
Enter the numbers separated by comma(,), colon(:), semicolon(;) or blank space.

 0.05 (default) 0.01 0.001
 Two Tailed Test (default) One Tailed Test
Show me the solution without an explanation

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