Median cutoff
| A | B | |
|---|---|---|
| 1 | p | df |
| 2 | 0.5 | 10 |
Formula: D2: =ROUND(T.INV(A2,B2),4)
Result: 0
Symmetry makes the median t statistic zero.
Google Sheets function
T.INV in Google Sheets
T.INV with worked examples you can test in the live grid. The argument details are in the Excel guide.
In Google Sheets
The arguments and common errors are covered in the T.INV Excel guide; check the function help in Google Sheets for its own argument list.
Worked examples in Google Sheets
Upper cutoff
| A | B | |
|---|---|---|
| 1 | p | df |
| 2 | 0.975 | 10 |
Formula: D2: =ROUND(T.INV(A2,B2),4)
Result: 2.2281
The 97.5th percentile of t with ten degrees of freedom is 2.2281.
Lower cutoff
| A | B | |
|---|---|---|
| 1 | p | df |
| 2 | 0.025 | 10 |
Formula: D2: =ROUND(T.INV(A2,B2),4)
Result: -2.2281
The symmetric lower probability gives the negative cutoff.
Try it
A tiny spreadsheet with example data. Edit the formula or any number and see the result.
Formula in D2: =T.INV(0.95,10)
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Number | Step | Result | |
| 2 | 1234.567 | 50 | 1.81246112281 | |
| 3 | 17 | 5 | ||
| 4 | -4.7 | 12 | ||
| 5 | 144 | 9 | ||
| 6 | 2.5 | 3 | ||
| 7 | 50 | 12 |
Result in D2: 1.81246112281
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