Downloaded from https://www.everyspec.com ADS-79D-HDBK (Copies of these documents are available from sources as noted.) I.2.3 Notations = type I error rate, reject null hypothesis when null hypothesis is true (false positive on a healthy component) = type II error rate, fail to reject null hypothesis when null hypothesis is false (false negative or missed alarm on an unhealthy component) = ȳ 1 - ȳ 2 = difference in means E = maximum tolerant error of mean estimate H 0 = the Null Hypothesis H 1 = the Alternative Hypothesis n = sample size P = Probability Q = probability of failure R = probability of success R U1 = Upper Confidence Limit or Maximum Designed-In Reliability of CI/HI R L1 = Lower Confidence Limit or Minimum Demonstrated Reliability of CI/HI r = number of failures in a trial S = standard deviation s = the number of successes in a trial Sp = pooled or average standard deviation σ = standard deviation 146 OTHER Abernethy, B.
Robert The New Weibull Handbook – Reliability & Statistical Analysis for Predicting Life, Safety, Survivability, Risk, Cost, and Warranty Claims, Fourth Edition, 2000. Conover, W. J. Practical Nonparametric Statistics. New York, NY: J. Wiley and Sons, 1999. Montgomery, Douglas C. Design and Analysis of Experiments. New York: Wiley, 1991.