Statistical
Excel 2010
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=NORM.S.DIST()
NORM.S.DIST returns the standard normal distribution (has a mean of zero and a standard deviation of one). Use this function in place of a table of standard normal curve areas.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=NORM.S.DIST(z,cumulative)
Hover argument names in the table for details.
Output typeStatistical
Popularity18 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
z |
Number | Required | This is the value for which you want the distribution. |
cumulative |
Logical | Required | The |
tRUE |
Number | Optional | or |
fALSE |
Logical | Optional | . This logical value determines the form of the function. If cumulative is TRUE then NORM.S.DIST returns the cumulative distribution function. If it is FALSE, it returns the probability mass function. |
▣ Examples
تابع توزیع تجمعی نرمال در نقطه 1.333333
=NORM.S.DIST(1.333333,TRUE)
تابع چگالی احتمال نرمال در نقطه 1.333333
=NORM.S.DIST(1.333333,FALSE)
✦ Tips
- The standard normal density function is determined with this equation:
⚠ Common Errors
#VALUE!
If z is nonnumeric, NORM.S.DIST returns the #VALUE! error.
Fix: Ensure the arguments are real numbers, not text
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