When using the FTEST function in WPS Sheets, common questions usually involve errors, result checking, and repeated use across cells; this FAQ includes 3 common questions and a glossary.
FAQ
What should I do if the FTEST formula returns an error value?
- Check whether the referenced ranges contain text, extra spaces, or unexpected blank values.
- Confirm that the formula name, parentheses, and separators are entered correctly.
- If needed, clean the source data first and then enter the FTEST formula again.
Why does the FTEST result look different from what I expected?
- Verify that the two data ranges are referenced correctly.
- Check whether numeric cells are stored as text.
- Confirm that the sample data matches the statistical purpose of your calculation.
How to use the FTEST function in WPS on Windows across multiple cells?
- Enter the FTEST formula in the first target cell.
- Drag the fill handle downward, or copy and paste the formula into other target cells.
- Check whether relative and absolute references match your batch calculation needs.
Glossary
| Term | Definition |
|---|---|
| FTEST | A statistical function in WPS Sheets that returns the two-tailed probability of an F-test for two arrays. |
| Insert Function | A dialog box entry used to search for a function, select it, and fill in its arguments. |
| Formula bar | The input area above the worksheet where you can edit cell content and formulas directly. |