【单选题】【消耗次数：1】
产品产量与单位成本的相关系数是-0.88，单位成本与利润率的相关系数是-0.94，产量与利润之间的相关系数是0.81，因此()。
①
产量与利润的相关程度最高
②
单位成本与利润率的相关程度最高
③
产量与单位成本的相关程度最高
④
看不出哪对变量间的相关程度高
参考答案：
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相关题目
【多选题】
相关系数与回归系数()。
①
回归系数大于零则相关系数大于零
②
回归系数小于零则相关系数小于零
③
回归系数大于零则相关系数小于零
④
回归系数小于零则相关系数大于零
⑤
回归系数等于零则相关系数等于零
【多选题】
相关系数与回归系数?
①
回归系数大于零则相关系数大于零
②
回归系数小于零则相关系数小于零
③
回归系数大于零则相关系数小于零
④
回归系数小于零则相关系数大于零
⑤
回归系数等于零相关系数等于零
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hope
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