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.
One-Sample z-test. where is the sample mean, Î´ is a specified value to be tested, Ï is the population standard deviation, and n is the size of the sample. Look up the significance level of the zâvalue in the standard normal table (Table in Appendix B). A herd of 1,500 steer was fed a special highâprotein grain for a month.