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Z.TEST

Returns the one-tailed p-value of a z-test

Syntax

Z.TEST(array, x, [sigma])

Parameters

  • array: Required. The array or range of data against which to test x
  • x: Required. The value to test
  • sigma: Optional. The population (known) standard deviation. If omitted, the sample standard deviation is used

Example

=Z.TEST(A1:A10, 4)
Returns: NumberSince: Excel 2010