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【单选题】
在对某个变量进行处理时，可能需要计算某个变量值出现的次数，在统计在，这个次数称为（ ）A.
众数
B.
全距
C.
频数
D.
频率
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知识点：
皮皮学刷刷变学霸
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【简答题】向亚东公司购进 E 材料, 1 000 千克,每千克 15 元,增值税率 17% ,运杂费 500 元,材料已验收入库,款暂欠。
【单选题】The writer of this passage seems to suggest ______.
A.
voting online will not radically affect the conventional practice in election campaign
B.
the rapid increase of voting online will gradually change people's concept about voting
C.
voting online will eventually turn out a more promising step to democracy
D.
effective measures should be taken to prevent Internet capitalists from abusing this new form. of election
【单选题】Statistics is a discipline ______ all the other sciences.
A.
affected
B.
affecting
C.
to be affected
D.
being affected
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