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【多选题】
某高校在校学生12050人,从中随机抽取120人进行调查,发现戴眼镜者有71人,正面说法正确的有( )。
A.
在校学生12050人是参数
B.
随机抽取的学生数120人是统计量
C.
戴眼镜人数71人是统计量
D.
三个数值都是统计指标
E.
三个数值都是数量指标
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A.
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A.
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B.
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C.
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D.
不确定
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