皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【简答题】
有 10 户家庭的收入( X ,元)和消费( Y ,百元)数据如下表: 10 户家庭的收入( X )与消费( Y )的资料 X 20 30 33 40 15 13 26 38 35 43 Y 7 9 8 11 5 4 8 10 9 10 若建立的消费 Y 对收入 X 的回归直线的 Eviews 输出结果如下: Dependent Variable: Y Variable Coefficient Std. Error X 0.202298 0.023273 C 2.172664 0.720217 R-squared 0.904259 S.D.dependent var 2.233582 Adjusted R-squared 0.892292 F-statistic 75.55898 Durbin-Watson stat 2.077648 Prob(F-statistic) 0.000024 ( 1 )说明回归直线的代表性及解释能力。(拟合优度检验) ( 2 )在 95% 的置信度下检验参数的显著性。( )
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】I like cakes with nothing in ______ .
A.
it
B.
its
C.
them
查看完整题目与答案
【单选题】In the absence of optimism, we are left with nothing but critics, naysayers, and prophets of doom. When a nation expects the worst from its people and institutions, and its experts focus exclusively o...
A.
ignore minor imperfections
B.
overemphasize flaws
C.
see both sides of a coin
D.
pin their hopes on improvements
查看完整题目与答案
【单选题】In the absence of optimism, we are left with nothing but critics, naysayers, and prophets of doom. When a nation expects the worst from its people and institutions, and its experts focus exclusively o...
A.
ignore minor imperfections
B.
overemphasize flaws
C.
see both sides of a coin
D.
pin their hopes on improvements
查看完整题目与答案
【单选题】程序编译链接后显示" 0 error,0 warning" 代表()
A.
程序是不正确的
B.
程序是正确的
C.
程序中没有语法错误
D.
程序中可能存在语法错误
查看完整题目与答案
【单选题】–Why do you come back with nothing? -- I couldn’t buy the CD because I had______ money with me.
A.
a few
B.
few
C.
a little
D.
little
查看完整题目与答案
【单选题】I feel very sad that the young man's energetic initiative ______ with nothing in the experiment, for he met a lot of interference from the powerful authority.
A.
burned up
B.
tuned up
C.
pushed up
D.
ended up
查看完整题目与答案
【单选题】当天空过亮时,应如何放置中灰渐变镜来缩小天空与地面的明暗差距?
A.
拍摄时用较暗的一端覆盖天空与地面的中介面，即可降低此区域的通光亮。
B.
拍摄时用较暗的一端覆盖地面，即可降低此区域的通光亮。
C.
拍摄时用较暗的一端覆盖天空，即可降低此区域的通光亮。
查看完整题目与答案
【单选题】听力原文：When another Christmas came around with nothing but the usual cards, Jack couldn't help but feel a touch of disappointment. (25)
A.
Jack was a bit upset for another ordinary Christmas.
B.
Jack was always disappointed with Christmas.
C.
Jack touched the Christmas cards with disappointment.
D.
Jack didn't receive any cards this Christmas.
查看完整题目与答案
【简答题】文件服务器以______方式管理共享文件，网络工作站可以根据所规定的权限对文件进行读写以及其他操作。
查看完整题目与答案
【单选题】根据《旅行社责任保险管理办法》，( )旅游行政管理部门依法对旅行社投保旅行社责任保险情况实施监督检查。
A.
省级
B.
地市级以上
C.
县级以上
D.
国家
查看完整题目与答案
相关题目：
【单选题】I like cakes with nothing in ______ .
A.
it
B.
its
C.
them
查看完整题目与答案
【单选题】In the absence of optimism, we are left with nothing but critics, naysayers, and prophets of doom. When a nation expects the worst from its people and institutions, and its experts focus exclusively o...
A.
ignore minor imperfections
B.
overemphasize flaws
C.
see both sides of a coin
D.
pin their hopes on improvements
查看完整题目与答案
【单选题】In the absence of optimism, we are left with nothing but critics, naysayers, and prophets of doom. When a nation expects the worst from its people and institutions, and its experts focus exclusively o...
A.
ignore minor imperfections
B.
overemphasize flaws
C.
see both sides of a coin
D.
pin their hopes on improvements
查看完整题目与答案
【单选题】程序编译链接后显示" 0 error,0 warning" 代表()
A.
程序是不正确的
B.
程序是正确的
C.
程序中没有语法错误
D.
程序中可能存在语法错误
查看完整题目与答案
【单选题】–Why do you come back with nothing? -- I couldn’t buy the CD because I had______ money with me.
A.
a few
B.
few
C.
a little
D.
little
查看完整题目与答案
【单选题】I feel very sad that the young man's energetic initiative ______ with nothing in the experiment, for he met a lot of interference from the powerful authority.
A.
burned up
B.
tuned up
C.
pushed up
D.
ended up
查看完整题目与答案
【单选题】当天空过亮时,应如何放置中灰渐变镜来缩小天空与地面的明暗差距?
A.
拍摄时用较暗的一端覆盖天空与地面的中介面，即可降低此区域的通光亮。
B.
拍摄时用较暗的一端覆盖地面，即可降低此区域的通光亮。
C.
拍摄时用较暗的一端覆盖天空，即可降低此区域的通光亮。
查看完整题目与答案
【单选题】听力原文：When another Christmas came around with nothing but the usual cards, Jack couldn't help but feel a touch of disappointment. (25)
A.
Jack was a bit upset for another ordinary Christmas.
B.
Jack was always disappointed with Christmas.
C.
Jack touched the Christmas cards with disappointment.
D.
Jack didn't receive any cards this Christmas.
查看完整题目与答案
【简答题】文件服务器以______方式管理共享文件，网络工作站可以根据所规定的权限对文件进行读写以及其他操作。
查看完整题目与答案
【单选题】根据《旅行社责任保险管理办法》，( )旅游行政管理部门依法对旅行社投保旅行社责任保险情况实施监督检查。
A.
省级
B.
地市级以上
C.
县级以上
D.
国家
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题