MTB > name c1 'relief' MTB > name c2 'trtmnt' MTB > name c3 'log-rlf' MTB > read data from 'class:ibs.dat' into c1 c2 24 ROWS READ ROW relief trtmnt 1 4.2 1 2 2.3 1 3 6.6 1 4 6.1 1 . . . MTB > loge of c1 into c3 MTB > describe c1 c3 N MEAN MEDIAN TRMEAN STDEV SEMEAN relief 24 15.38 11.10 14.47 12.83 2.62 log-rlf 24 2.427 2.406 2.433 0.808 0.165 trtmnt 24 2.000 2.000 2.000 0.834 0.170 MIN MAX Q1 Q3 relief 2.30 48.60 6.23 19.08 log-rlf 0.833 3.884 1.828 2.946 trtmnt 1.000 3.000 1.000 3.000 MTB > describe c1 c3; SUBC> by c2. trtmnt N MEAN MEDIAN TRMEAN STDEV SEMEAN relief 1 8 6.46 6.35 6.46 3.22 1.14 2 8 12.34 12.05 12.34 4.53 1.60 3 8 27.35 27.90 27.35 15.66 5.54 log-rlf 1 8 1.747 1.848 1.747 0.541 0.191 2 8 2.434 2.488 2.434 0.465 0.164 3 8 3.100 3.327 3.100 0.769 0.272 trtmnt MIN MAX Q1 Q3 relief 1 2.30 11.70 3.75 9.40 2 4.10 19.80 10.48 15.05 3 5.40 48.60 11.95 42.00 log-rlf 1 0.833 2.460 1.319 2.228 2 1.411 2.986 2.349 2.711 3 1.686 3.884 2.456 3.737 MTB > oneway data in c1 subscripts in c2 ANALYSIS OF VARIANCE ON relief SOURCE DF SS MS F trtmnt 2 1856.5 928.2 10.09 ERROR 21 1931.7 92.0 TOTAL 23 3788.2 INDIVIDUAL 95 PCT CI'S FOR MEAN BASED ON POOLED STDEV LEVEL N MEAN STDEV -+---------+---------+---------+----- 1 8 6.463 3.218 (------*-------) 2 8 12.337 4.526 (------*------) 3 8 27.350 15.656 (------*------) -+---------+---------+---------+----- POOLED STDEV = 9.591 0 10 20 30 MTB > MTB > MTB > oneway data in c3 subscripts in c2 ANALYSIS OF VARIANCE ON log-rlf SOURCE DF SS MS F trtmnt 2 7.332 3.666 10.00 ERROR 21 7.698 0.367 TOTAL 23 15.030 INDIVIDUAL 95 PCT CI'S FOR MEAN BASED ON POOLED STDEV LEVEL N MEAN STDEV ---+---------+---------+---------+--- 1 8 1.7465 0.5414 (-----*-----) 2 8 2.4341 0.4646 (----*-----) 3 8 3.1004 0.7686 (-----*-----) ---+---------+---------+---------+--- POOLED STDEV = 0.6055 1.50 2.25 3.00 3.75 MTB > stop