题目内容
交叉表是矩阵格式的一种表格，显示变量的（多变量）频率分布。
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描述性统计分析方法有两种：频率和探索性分析。
unattractiveunrealisticuninterestingunrelatedunusualThere are no __________ things, only uninterested people.
unattractiveunrealisticuninterestingunrelatedunusualHis poor health is not ____________ to his unhealthy way of life.
unattractiveunrealisticuninterestingunrelatedunusualHappiness is not such an ________goal. It is a matter of choice. You can choose to be happy.
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