ZTEST (PQL - xl)
This function returns the significance value of a z-test. The z-test generates a standard score for x with respect to the set of data and returns the two-tailed probability for the normal distribution
- Library: PQL \ Spreadsheet \ Compatibility
- Compatibility: Any content (regardless of data source) in the Tabulate spreadsheet module
Syntax
ZTEST(array, x, OPTIONAL sigma)
Function Arguments
Name | Description | Type | Optional |
array | Array of data to test | Number |
|
x | Value at which to test | Number |
|
sigma | Known standard deviation for the population; if omitted, the calculation uses the sample standard deviation | Number | Y |
Comments
This function is the same as the Microsoft Excel 'ZTEST' function - using the same inputs, logic and outputs.