Ⅱ类错误是()
A.拒绝了实际成立的H0
B.拒绝了实际不成立的H0
C.接受了实际成立的H0
D.接受了实际不成立的H0
E.接受了实际不成立的H1
参考答案:D
— Good afternoon, Miss Lee. How does Mike feel?
— He's tired. He ___________ a lot of work ___________.[ ]
A. does, this morning
B. do, this morning
C. did, this morning
设计和开发评审是对设计输出是否满足设计输入要求能力的评审。