Median cutoff
| A | |
|---|---|
| 1 | p |
| 2 | 0.5 |
Formula: C2: =NORM.S.INV(A2)
Result: 0
The median of the symmetric standard normal distribution is zero.
Google Sheets function
NORM.S.INV in Google Sheets
NORM.S.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 NORM.S.INV Excel guide; check the function help in Google Sheets for its own argument list.
Worked examples in Google Sheets
Upper 97.5% cutoff
| A | |
|---|---|
| 1 | p |
| 2 | 0.975 |
Formula: C2: =ROUND(NORM.S.INV(A2),4)
Result: 1.96
This is the familiar 1.96 critical value; the unrounded result is 1.95996…
Lower 2.5% cutoff
| A | |
|---|---|
| 1 | p |
| 2 | 0.025 |
Formula: C2: =ROUND(NORM.S.INV(A2),4)
Result: -1.96
The symmetric lower tail gives the negative of the upper cutoff.
Try it
A tiny spreadsheet with example data. Edit the formula or any number and see the result.
Formula in D2: =NORM.S.INV(0.975)
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Number | Step | Result | |
| 2 | 1234.567 | 50 | 1.95996398454 | |
| 3 | 17 | 5 | ||
| 4 | -4.7 | 12 | ||
| 5 | 144 | 9 | ||
| 6 | 2.5 | 3 | ||
| 7 | 50 | 12 |
Result in D2: 1.95996398454
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