FTEST in WPS on Windows FAQ

Q: What should I do if FTEST shows an error after I enter it?

Check whether the formula starts with = . Make sure the brackets are paired and the separator is correct. Confirm that both arguments refer to valid data ranges. Press Enter again to recalculate the result.

Q: How can I view the argument guidance for FTEST?

Select the target cell and type =FTEST( . Review the syntax hint that appears near the formula bar. Fill in the two sample ranges in order. Return to edit mode if you need to adjust the arguments.

When using FTEST, common questions usually focus on formula errors, argument understanding, and result checking; this FAQ includes 3 common questions and a 3-term glossary.

FAQ

What should I do if FTEST shows an error after I enter it?

Check whether the formula starts with =.
Make sure the brackets are paired and the separator is correct.
Confirm that both arguments refer to valid data ranges.
Press Enter again to recalculate the result.

How can I view the argument guidance for FTEST?

Select the target cell and type =FTEST(.
Review the syntax hint that appears near the formula bar.
Fill in the two sample ranges in order.
Return to edit mode if you need to adjust the arguments.

Why does the FTEST result look incorrect?

Check whether the referenced ranges contain unexpected data.
Confirm that the two sample ranges are the intended cell ranges.
Look for text-formatted numbers, blanks, or invalid references that may affect the analysis.
Recalculate after correcting the data and compare the result again.

Glossary

Term	Definition
FTEST	A statistical function used to compare the variance difference between two samples and return the related probability result.
Sample range	A group of worksheet cells used as an input range in the function.
Cross-sheet reference	A formula reference that points to cells or ranges in another worksheet.