T.DIST.RT
Student's t distribution's right-tail probability at a value.
Group: Statistics. Compatible with DAX.
Syntax
T.DIST.RT ( <X>, <Deg_freedom> )| Parameter | Type | Description |
|---|---|---|
X | Number | The t value. |
Deg_freedom | Whole number | The degrees of freedom, 1 or more; rounded to a whole number. |
Returns
Number. The probability of a value above x: a one-sided test's p-value.
Remarks
- It is 1 −
T.DIST( x, Deg_freedom, TRUE ). - A negative x is allowed and gives more than 0.5.
Examples
Right tail of a positive and a negative t
EVALUATE
ROW (
"Of 2.228", T.DIST.RT ( 2.228, 10 ),
"Of -1", T.DIST.RT ( -1, 10 ),
"Left of -1", T.DIST ( -1, 10, TRUE )
)| Of 2.228 | Of -1 | Left of -1 |
|---|---|---|
| 0.0250058859085557 | 0.82955343384897 | 0.17044656615103 |