One of the hallmarks of statistical thinking is the importance of measuring and understanding variability. The Shewhart Control Chart, which separates special cause from common cause variation, is one of the most important tools for understanding the current state of a process. The analysis of variance (ANOVA) is another statistical tool for splitting variability into component sources. These c...

The purpose of this quantitative study was to investigate the instructional effects of various animation strategies. Three treatment groups involved include static graphic, animation used as an attention-gaining strategy, and animation used as an attention-gaining and elaboration strategy. Participants were 115 college student volunteers. Two-way multiple analysis of variance (MANOVA) was used ...

in this study, the application of gray relational analysis (gra) and taguchi method in multi-criteria process parameters selection of turning operation has been investigated. the process responses under study are material removal rate (mrr) and surface roughness (sr); in turn, the input parameters include cutting speed, feed rate, depth of cut and nose radius of the cutting tool. the proposed a...