问题
单项选择题
“Design of experiments” is a statistical method that helps ().
A.determine how various elements of a system interrelate
B.identify which factors may influence specific variables of a product or process
C.establish a standard by which to measure performance
D.compare actual or planned project practices to those of other projects
答案
参考答案:B
解析:
实验设计是一种统计学方法, 用来 ______ 。
A) 判断一个系统中不同的元素如何相互关联
B) 识别在产品或过程中哪些因素可能影响特定的变量
C) 建立一种标准, 用来测量绩效
D) 将实际的或计划的项目实践与其他项目比较
选项A是系统流程图;选项C、D说的都是标杆法(benchmarking)。