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最近,用随机抽样的方法在南县5个乡镇幼儿园,对50名6岁幼儿进行了一次问卷形式的调查。下面是调查获得的几组主要数据。一、幼儿心目中的家庭、父母
Recently, a random sample of five township kindergartens in Nanxian conducted a questionnaire survey of 50 6-year-old children. Below are some key sets of data obtained from the survey. First, the eyes of young children family, parents