皮皮学，免费搜题
登录
搜题
【单选题】
在线性回归模型中,若解释变量 和 的观测值成比例,即 ,其中 为非零常数,则表明模型中存在( )A.
多重共线性
B.
序列相关
C.
异方差
D.
随机解释变量
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】-Did you watch the football match yesterday? -Yes, I did. You know, my brother _________in the match. [ ]
A.
is playing
B.
was playing
C.
has played
D.
will play
【单选题】— Did you watch the basketball match yesterday? — Yes, I did. You know, my brother ____ in the match. [ ]
A.
is playing
B.
was playing
C.
has played
D.
had played
【单选题】—How do you like the football match? —Wonderful, I believe. Just as fine as ________ of the matches we’ve ever seen.
A.
one
B.
another
C.
some
D.
any
相关题目：
参考解析：
知识点：
题目纠错 0
发布
