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.
The Z-value is a test statistic for Z-tests that measures the difference between an observed statistic and its hypothesized population parameter in units of standard error. For example, a selection of factory molds has a mean depth of 10cm and a standard deviation of 1 cm.