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统计与概率是中考命题的热点.下面以2011年中考题为例,把常考的知识点归纳如下,供你复习时参考.考点1全面调查(普查)、抽样调查
Statistics and probability is the hot topic in the test.The following exam questions in 2011 as an example, the common knowledge of the points are summarized as follows, for your reference when reviewing. 1 comprehensive survey (census), sample survey