How this calculation works
Get upper, lower and two-sided probabilities for a supplied Student t statistic.
THE FORMULA
Integrate the Student t density beyond the statisticA worked example
A t statistic of zero leaves exactly half the density on either side.
Good to know
Use the degrees of freedom from the model or test.
Reference: OpenStax Introductory Statistics (opens in a new tab) ↗
Read the result
Get upper, lower and two-sided probabilities for a supplied Student t statistic.
The primary result is labeled “Upper-tail probability”. Keep the input definitions in view when comparing this result with another method.
Try a related calculation
Use the degrees of freedom from the model or test.
For a related exercise, try the statistics calculator.
A few questions, answered
How can I check the default inputs by hand?
A t statistic of zero leaves exactly half the density on either side.
Which rule does this calculator apply?
Integrate the Student t density beyond the statistic