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相关系数绝对值越大,说明两变量间的关系()。
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相关系数绝对值越大,说明两变量间的关系()。
A、越差
B、越密切
C、为完全相关
D、为零相关
时间:2022-01-11 18:35
关键词:
工程水文学
水利工程
大学试题
工学
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B
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