大学MOOC Medical Statistics(Sun Yat-sen University)1461844163 最新慕课完整章节测试答案
Chapter 10 Simple Linear Regression
Simple Linear Regression
1、单选题:
In simple linear regression analysis, if determination coefficient
=1, then must hold_________.
选项:
A: r=0
B: r>0
C: r<0
D: r =1 or r =-1
E: b =1 or b =-1
答案: 【 r =1 or r =-1】点我阅读全文
