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为了调查某小区居民的用水情况,随机抽查了10户家庭的月用水量,结果如下表: 月用...
为了调查某小区居民的用水情况,随机抽查了10户家庭的月用水量,结果如下表:
则关于这10户家庭的月用水量,下列说法错误的是( )
A.中位数是5吨
B.众数是5吨
C.极差是3吨
D.平均数是5.3吨
考点分析:
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