T-distribution Calculator - OnlineBelow you can
find a T-distribution Calculator. The shape of the
Student's t-distribution is determined by the degrees of freedom. Its
shape changes as the degrees of freedom increases.
The
shaded area represents the right-tail value for t. The right-tail value is approximated by using the following formula:
where a1
= 0.196854  d = degrees of freedom  Example:Determine the right-tail value when t = 2.9 and degrees of freedom dof = 16.Enter T-value = 2.9 Enter Degrees of freedom = 16 and you get from the calculator Right-tail value = 0.0051 Left-tail value = 0.9949 This is an image showing another example of how you can use the calculator: 
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