Z.TEST

Returns the one-tailed P-value of a Z-test with standard distribution.

Sample Usage

Z.TEST(A2:A100,B2)

Z.TEST({1,2,3,4,5,6},5.5,1.2)

Syntax

Z.TEST(data, value, [standard_deviation])

  • data - The array or range containing the dataset to consider.

  • value - The test statistic to use in the Z-test.

  • standard_deviation - [ OPTIONAL ] - The standard deviation to assume for the Z-test. If this is not provided, STDEV(data) will be calculated.

Notes

  • The P-value returned by Z.TEST is the probability that a randomly generated sample (of the same size as the data) has a mean value greater than that of the original data set.
  • You can use ZTEST or Z.TEST to perform this function. 

See Also

NORMSDIST: Returns the value of the standard normal cumulative distribution function for a specified value.

NORMDIST: The NORMDIST function returns the value of the normal distribution function (or normal cumulative distribution function) for a specified value, mean, and standard deviation.

CONFIDENCE: Calculates the width of half the confidence interval for a normal distribution.

Examples

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