This is Dataplot data file VANGEL33.DAT Compressive Strength for Graphite/Epoxy Fabric Source--Shyprykevich, ASTM STP 1003, 1989 Number of observations = 30 Number of varibles per line image = 3 Order of variables on a line image-- 1. Response variable = strength (ksi) 2. Factor 1 = direction of load (1 = warp, 2 = fill) 3. Factor 2 = batch (3 levels) Statistical Classification--ANOVA, Tolerance Limits Engineering question--What are the B-basis (= lower 95% confidence for 10% point) values based on a 1-way ANOVA? To read this file into Dataplot (and do RECIPE tolerance limits)-- SKIP 25 READ VANGEL33.DAT Y X B RECIPE CONTENT 90 RECIPE CONFIDENCE 95 RECIPE FACTORS 1 RECIPE ANOVA Y X B Strength Direction Batch Y X1 X2 --------------------------- 72.50 1 1 73.80 1 1 68.10 1 1 77.90 1 1 65.50 1 1 72.85 2 1 77.81 2 1 72.29 2 1 75.78 2 1 67.03 2 1 73.23 1 2 71.17 1 2 79.92 1 2 65.67 1 2 74.28 1 2 72.85 2 2 77.81 2 2 75.33 2 2 71.75 2 2 72.28 2 2 79.08 1 3 71.04 1 3 67.84 1 3 69.20 1 3 71.53 1 3 67.95 2 3 82.84 2 3 79.83 2 3 80.52 2 3 70.65 2 3