指出下面哪一个属于数值型变量（）。_精华吧

指出下面哪一个属于数值型变量（）。

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指出下面哪一个属于数值型变量（）。

A.收入

B.购买商品时的支付方式

C.性别

D.教学改革效果的满意度

正确答案：收入

Tag：统计学收入教学改革时间：2022-03-29 20:26:45

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