ReferenceFunctionsStatistics Functions
NORM.S.INV
NORM.S.INV: Returns the z-score whose standard normal cumulative probability matches `probability`.
Summary
This is the inverse of NORM.S.DIST(z, TRUE) and is commonly used for critical-value
thresholds.
Remarks
probabilitymust be strictly between0and1.- Returns
#NUM!whenprobability <= 0orprobability >= 1. - Output can be negative, zero, or positive depending on which side of
0.5you query. - Invalid numeric coercions propagate as spreadsheet errors.
Examples
Median probability maps to zero
Grid
| Cell | Value | |
|---|---|---|
| No inputs on Sheet1. | ||
Formula
=
Result
Not evaluated yet.
Expected
0
Upper-tail critical z-score
Grid
| Cell | Value | |
|---|---|---|
| No inputs on Sheet1. | ||
Formula
=
Result
Not evaluated yet.
Expected
1.959963986120195
Related functions
Runtime metadata
Category
Statistics
Signature
NORM.S.INV(arg1: Number)Arity
min 1, max 1
Arguments
arg1Number · Scalar · coercion NumberLenientText
Caps
PURE
Source