External module "stats/ztest/docs/types/index.d"

Export assignment ztest

• ztest(x: NumericArray, sigma: number, options?: Options): Results

• Computes a one-sample z-test.

  throws

  sigma argument must be a positive number

  throws

  must provide valid options

  Parameters

  • x: NumericArray

    data array

  • sigma: number

    known standard deviation

  • Optional options: Options

    function options

  Returns Results

  test result object

  Example

  var arr = [ 4, 4, 6, 6, 5 ];
  var out = ztest( arr, 1.0, {
      'mu': 5
  });

  Example

  var arr = [ 4, 4, 6, 6, 5 ];
  var out = ztest( arr, 1.0, {
      'alternative': 'greater'
  });