Compatibility
Excel 2007 (Compatibility)
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=ZTEST()
Z-test (compatibility) — one-tailed p-value of the Z-test for the mean
=ZTEST(array, x, [sigma])
Hover argument names in the table for details.
Output typeNumber
Popularity10 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
array |
Range | Required | Data range |
x |
Number | Required | Value for which the test is performed |
sigma |
Number | Optional | Population standard deviation — optional; if omitted the sample standard deviation is calculated |
▣ Examples
p-value of the Z-test
=ZTEST(A2:A10, 5)
✦ Tips
- Legacy version of Z.TEST.
⚠ Common Errors
#N/A
Array is empty
Fix: Enter a data range
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