广东 深圳 六西格码和精益推进 主页访问 : 2144 次
Degree of freedom already decided what T distribution looks like, p value depends on the level of alpha risk you are willing to ta...
2 comments [list] [*]小心30个是重复性的还是完全随机跑的，为什么在DOE里头放这么多资源[/*] [*]分析时需要对variation, variance, R, Stddev, sigma etc进行log转换[/*] [/list]
[list] [*]ABC作为3个BLOCKING，3*2^2=12 treatments with repeats[/*] [*]2^3=8 replication w/ sequential study[/*] [/list]
Reason behind is, pareto plot is meaningless when factors were treated as nominal. Try to change the order of terms have been put ...