# T.DIST function

The T.DIST function returns the right tailed Student distribution for a value x. Along with `T.DIST.2T`, this function replaces `TDIST` and is equivalent to calling `TDIST` with the tails argument set to 1.

## Parts of a T.DIST function

`T.DIST(x, degrees_freedom, cumulative)`

 Part Description `x` Required. The x value to evaluate the distribution at. `degrees_freedom` Required. The degrees of freedom. `cumulative` Required. True/false value field. If true, returns the cumulative probability for x. If false, returns the probability density function for x.

## Sample formulas

• `Example 1: A1 has T.DIST(1.96, 60, false)`
• `Example 2: A1 has T.DIST(-1.98, 2, false)`
• `Example 3: A1 has T.DIST(1.96, 60, true)`
• `Example 4: A1 has T.DIST(-1.98, 2, true)`

## Notes

If deg_freedom is less than 1, returns as #NUM error.

## Examples

Result for A1=`T.DIST(1.96, 60, false)`

 A B 1 0.059847906211419 2

Result for A1=`T.DIST(-1.98, 2, false)`

 A B 1 0.06941821226899947 2

Result for A1=`T.DIST(1.96, 60, true)`

 A B 1 0.972677535131736 2

Result for A1=`T.DIST(-1.98, 2, true)`

 A B 1 0.09312625192178947 2

## Related functions

• TDIST: Calculates the probability for Student's t-distribution with a given input (x).
• T.DIST.2T: The T.DIST.2T function returns the two tailed Student distribution for a value x.
• T.DIST.RT: Returns the right tailed Student distribution for a value x.