THIS IS DATAPLOT DATA FILE BOXSHOES.DAT MATERIAL AFFECT ON BOYS SHOE SOLE WEAR (BLOCK ON BOY) BOX, HUNTER & HUNTER (1978), STATISTICS FOR EXPERIMENTERS WILEY, PAGE 97-101 (AN EXAMPLE IN CHAPTER 4) RANDOMIZED BLOCK DESIGN NUMBER OF OBSERVATIONS = 20 TOTAL NUMBER OF VARIABLES PER LINE IMAGE = 3 RESPONSE VARIABLE = SHOE SOLE WEAR FACTOR 1 = MATERIAL (2 TYPES) FACTOR 2 = BOY (10 BOYS) TO READ THIS FILE INTO DATAPLOT (AND ANALYZE)-- SKIP 25 READ BOXSHOES.DAT Y X1 X2 . CHAR 1 2; LINES BL BL BLOCK PLOT Y X1 X2 CHAR 1 2 3 4 5 6 7 8 9 0; LINES BL BL BL BL BL BL BL BL BL BL BLOCK PLOT Y X2 X1 . ER; ANOVA Y X1 X2 . PLOT RES X1 X1; PLOT RES X2 X2 LINES BLANK ALL; PLOT RES PRED; NORMAL PROBABILITY PLOT RES WEAR MATERIAL BOY ------------------------------ 13.2 1 1 14.0 2 1 8.2 1 2 8.8 2 2 10.9 1 3 11.2 2 3 14.3 1 4 14.2 2 4 10.7 1 5 11.8 2 5 6.6 1 6 6.4 2 6 9.5 1 7 9.8 2 7 10.8 1 8 11.3 2 8 8.8 1 9 9.3 2 9 13.3 1 10 13.6 2 10