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【单选题】
根据样本算得相关系数r，经检验变量间相关有高度显著性(P＜0.01)，则
A.
r来自高度相关的相关总体
B.
两变量相关关系极为密切
C.
接受无效假设H0，认为总体相关系数为0
D.
更有理由认为两变量存在直线相关关系
E.
拒绝H1假设，认为P≠0
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移动平均法
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相关题目：
【判断题】预测中的定量方法主要有三种：时间序列分析法，逻辑关系和因果关系分析法。
A.
正确
B.
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查看完整题目与答案
【多选题】时间系序列分析法方法有( )。
A.
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查看完整题目与答案
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A.
时间序列分析
B.
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查看完整题目与答案
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