3行×5列的列联表作X2检验,其自由度是
A.6
B.8
C.10
D.12
E.15
参考答案:B
His long service with the company was with a present. [ ]
A. admitted
B. acknowledged
C. attributed
D. accepted
在项目计划编制阶段邀请客户共同审阅进度计划可以向客户表明:()
A、你希望得到他们的输入
B、你想要客户更加了解项目实际状态
C、你的公司擅长于市场营销和客户关系
D、以上都不是