How to Use the ZTEST Function in WPS on Windows

Last updated:July 20, 2026

Use ZTEST in 3 topics: enter the function, fill in arguments with syntax prompts, and check recalculated results; 3 topics are free and 0 topics are membership-related.

How-to Index

No.TopicMembership
11. Enter the ZTEST functionFree
22. Fill in arguments with syntax promptsFree
33. Check results and automatic recalculationFree

How-to Guide

1. Enter the ZTEST function

Entry point: Formulas tab → formula bar, or type directly in the target cell

  1. Open WPS Spreadsheet and select the cell where you want the result to appear.
  2. Type = in the formula bar or directly in the cell.
  3. Continue by typing ZTEST(.
  4. Keep the cursor in the formula so you can continue entering arguments.

Success Criteria

  • Interface result: The cell enters formula editing mode.
  • What you can do next: You can continue entering the array, test value, and optional arguments.

Tips While Using

  • Common mistake: If you do not start with =, the content may be treated as plain text.
  • Environment note: This needs to be done in an editable WPS Spreadsheet file.

2. Fill in arguments with syntax prompts

Entry point: Formula editing mode after typing ZTEST(

  1. After typing ZTEST(, review the syntax prompt shown on screen.
  2. Enter the data range or array argument first.
  3. Enter the value to test.
  4. Add an optional standard deviation argument if needed.
  5. Type the closing parenthesis and press Enter.

Success Criteria

  • Interface result: The cell shows a calculated result after the formula is completed.
  • What you can do next: You can copy the formula, revise arguments, or continue referencing data from other worksheets.

Tips While Using

  • Common mistake: Missing parentheses or incomplete separators can cause a formula error.
  • Environment note: Argument values need to match the function requirements, and text-formatted numbers may affect the result.

3. Check results and automatic recalculation

Entry point: A cell that already contains a ZTEST result

  1. Confirm that the result cell returns a numeric value instead of an error.
  2. Edit sample values in the referenced data range.
  3. Check whether the result cell updates when the data changes.
  4. If the result looks unusual, return to the formula bar and review the referenced range and data format.

Success Criteria

  • Interface result: The result cell updates after the referenced data changes.
  • What you can do next: You can continue with cross-references, nested formulas, or result review.

Tips While Using

  • Common mistake: Referencing an empty or incorrect range can produce unexpected results.
  • Environment note: Circular references or non-numeric content can affect the calculation.