ADS-79D-HDBK Downloaded from https://www.everyspec.com FIGURE I-14: Block diagram of sample size analysis steps when using the Wilcoxon test instead of the t test was 0.864 60 , indicating the sample size determined by the t test divided by the efficiency will determine the comparable sample size 60 Hollander, Myles, and Douglas A. Wolfe. Nonparametric Statistical Methods . New York: John Wiley & Sons, 1999. 163