When using STDEV.P, the most common questions involve errors, result interpretation, and repeated use across cells; this FAQ covers 3 common questions and a short glossary.
FAQ
What should I do if STDEV.P returns an error value?
- Check whether the referenced cells contain text, unexpected characters, or existing error values.
- Confirm that the function name, parentheses, and argument separators are entered correctly.
- Clean the source data if needed, then re-enter the formula or reselect the argument range.
Why does the STDEV.P result look different from what I expected?
- Confirm whether your data should be calculated as a population instead of a sample.
- Check whether the referenced range is complete and does not include missing or extra cells.
- Review the cell format and make sure the values used in the calculation are numeric.
How can I use STDEV.P in multiple cells at once?
- Enter and confirm the STDEV.P formula in the first target cell.
- Select that cell and drag the fill handle, or copy and paste the formula into other areas.
- After filling, check whether relative and absolute references behave as expected.
Glossary
| Term | Definition |
|---|---|
| STDEV.P | A statistical function used to calculate standard deviation based on an entire population. |
| Population standard deviation | A statistical measure that describes how widely a full set of values is dispersed around the mean. |
| Function argument | A value, cell reference, or range passed into a function for calculation. |