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-score, also known as standard score, is a measurement used in statistics. It is the measurement of the number of standard deviations a specific number is above or below a mean. The formula to calculate z-score is. z = (x - Î¼) / Ï. where. 1  z is the z-score, 2  x is the value to be standardized,3  Î¼ is the mean of the given set of data, 4  Ï is the standard deviation of the given set of data.t is the measurement of the number of standard deviations a specific number is above or below a mean. The formula to calculate z-score is. z = (x - Î¼) / Ï. where. 1  z is the z-score, 2  x is the value to be standardized, 3  Î¼ is the mean of the given set of data,