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.
This is called fixed level testing (at the 0.05 level). 1  First: We state the hypothesis to be tested. The hypothesis being tested is called the null hypothesis and is denoted H0. 2  Second: We choose the level of significance at which the test will be performed. This is called the size or level of the test.