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-track method (âzig-zagâ method) is recommended for administering these or any other medications that irritate skin and other body tissues (Fig. 64-9). The Z-track method helps prevent medication from leaking back onto the skin. Use the Z-track method only in the gluteal muscles. To administer a medication by Z-track, pull the skin of the injection site to one side. Insert the needle, aspirate, and inject the medication. Keep the skin taut and pulled to one side; wait a few seconds before withdrawing the needle.