Defense Federal Acquisition Regulation Supplement (DFARS), Army Federal. Acquisition Regulation Supplement (AFARS), and/or the Department of Defense Grant. and Agreement Regulations (DoDGARs) as well as all other applicable laws and.
Z-test is a statistical test where normal distribution is applied and is basically used for dealing with problems relating to large samples when n â¥ 30. Don't miss these related articles: 1  1 ANOVA.
Z.TEST function - Remarks. 1  If array is empty, Z.TEST returns the #N/A error value. 2  Z.TEST is calculated as follows when sigma is not omitted... 3  Z.TEST represents the probability that the sample mean would be greater than the observed value AVERAGE (array), when the underlying population mean is Î¼0.