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 two of the more known statistical hypothesis test are the T-test and the Z-test. Let us try to breakdown the two. A T-test is a statistical hypothesis test. In such test, the test statistic follows a StudentÃ¢â¬â¢s T-distribution if the null hypothesis is true. The T-statistic was introduced by W.S. Gossett under the pen name âStudentâ. The T-test is also referred as the âStudent T-testâ.