Statistical
Excel 2010
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=T.DIST.2T()
Returns the two-tailed Student's t-distribution. The Student's t-distribution is used in the hypothesis testing of small sample data sets. Use this function in place of a table of critical values for the t-distribution.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=T.DIST.2T(x,deg_freedom)
Hover argument names in the table for details.
Output typeNumber
Popularity8 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
x |
Number | Required | The numeric value at which to evaluate the distribution. |
deg_freedom |
Number | Required | An integer indicating the number of degrees of freedom. |
▣ Examples
▦ Data
| Cell | Value | Description |
|---|---|---|
A2 |
1.959999998 | Value at which to evaluate the distribution |
A3 |
60 | Degrees of freedom |
A4 |
1.959999998 | Value at which to evaluate the distribution |
A5 |
60 | Degrees of freedom |
Two-tailed distribution (0.054645, or 5.46 percent)
=T.DIST.2T(A2,A3)
Result:
5.46%
§ Remarks
- If any argument is nonnumeric, T.DIST.2T returns the #VALUE! error value.
- If deg_freedom < 1, T.DIST.2T returns the #NUM! error value.
- If x < 0, then T.DIST.2T returns the #NUM! error value.
⚠ Common Errors
#VALUE!
If any argument is nonnumeric, T.DIST.2T returns the #VALUE! error value.
Fix: بررسی کنید X و Deg_freedom مقدار عددی باشند و متن یا سلول خالی وارد نکرده باشید.
#NUM!
If deg_freedom < 1, T.DIST.2T returns the #NUM! error value. If x < 0, then T.DIST.2T returns the #NUM! error value.
Fix: Use ABS for a negative statistic
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