liliefor APPENDIX 170 student deviation learning research key plan area calculation 139 168 178 percentile 113 score under data instrument experiment OF documentation value LIST curve worksheet test distribution page 166 134 hypothesi activity 137 187 108 175 control appendix homogeneity 117 lesson normality 135 observation normal clas answer cognitive 188 pretest 164 posttest average 189 III 151 182 130 critical lattice experimental II 162 list 190 123 standard