CONFIDENCE in WPS on Windows FAQ

Last updated:July 17, 2026

This FAQ covers 4 common question types about the CONFIDENCE function in WPS Spreadsheet, including error checks, syntax prompts, result review, and editing methods.

FAQ

What should I do if the CONFIDENCE function returns an error?

  1. Check whether the formula starts with =.
  2. Confirm that the parentheses, commas, and number of arguments are correct.
  3. Make sure the arguments are numeric values that can be calculated.
  4. Use the syntax prompt shown during input to revise the formula.

How can I view the argument details for the CONFIDENCE function?

  1. Select the target cell and type =CONFIDENCE(.
  2. Check the automatic syntax prompt shown by the app.
  3. Confirm the argument order and continue entering values.

What should I check if the result looks incorrect?

  1. Check whether referenced cells contain numbers stored as text.
  2. Confirm that the sample size and standard deviation are entered in the correct positions.
  3. Check for circular references or incorrect references.
  4. After data changes, confirm that the result has recalculated.

How can I edit a long formula more easily?

  1. Use the formula bar to enter and revise the formula.
  2. Put arguments in separate cells and reference them.
  3. Review the parenthesis levels and separators again after editing.

Glossary

TermDefinition
CONFIDENCEA statistical function used to calculate the half-width of a confidence interval for a population mean.
Significance levelA parameter used in statistical calculation, often representing the complement of the confidence level.
Population standard deviationA statistical measure of how spread out the population data is, and one of the required inputs for this function.
Sample sizeThe number of observations used in the estimate, which affects the calculation result.