Median on original scale
| A | B | C | |
|---|---|---|---|
| 1 | p | Mean | SD |
| 2 | 0.5 | 10 | 2 |
Formula: E2: =NORM.INV(A2,B2,C2)
Result: 10
The median equals the mean for a normal distribution.
Google Sheets function
NORM.INV in Google Sheets
NORM.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.INV Excel guide; check the function help in Google Sheets for its own argument list.
Worked examples in Google Sheets
97.5th percentile on a custom scale
| A | B | C | |
|---|---|---|---|
| 1 | p | Mean | SD |
| 2 | 0.975 | 100 | 15 |
Formula: E2: =ROUND(NORM.INV(A2,B2,C2),4)
Result: 129.3995
The cutoff is 100 + 1.95996 x 15 = 129.3995.
Standard normal case
| A | B | C | |
|---|---|---|---|
| 1 | p | Mean | SD |
| 2 | 0.025 | 0 | 1 |
Formula: E2: =ROUND(NORM.INV(A2,B2,C2),4)
Result: -1.96
Mean zero and standard deviation one reproduce NORM.S.INV.
Try it
A tiny spreadsheet with example data. Edit the formula or any number and see the result.
Formula in D2: =NORM.INV(0.95,100,15)
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Number | Step | Result | |
| 2 | 1234.567 | 50 | 124.672804404 | |
| 3 | 17 | 5 | ||
| 4 | -4.7 | 12 | ||
| 5 | 144 | 9 | ||
| 6 | 2.5 | 3 | ||
| 7 | 50 | 12 |
Result in D2: 124.672804404
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