已知一组样本数据:158,166,162,159,146,151,160,155,164,154,160,168,157,156,162,154,149,167,167,159.由这组数据画出的频数分布直方图中,154.5〜157.5与157.5〜160.5这两组相应的小长方形的高之比是?
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![已知一组样本数据:158,166,162,159,146,151,160,155,164,154,160,168,157,156,162,154,149,167,167,159.由这组数据画出的频数分布直方图中,154.5〜157.5与157.5〜160.5这两组相应的小长方形的高之比是?](/uploads/image/z/13893485-5-5.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%80%E7%BB%84%E6%A0%B7%E6%9C%AC%E6%95%B0%E6%8D%AE%EF%BC%9A158%2C166%2C162%2C159%2C146%2C151%2C160%2C155%2C164%2C154%2C160%2C168%2C157%2C156%2C162%2C154%2C149%2C167%2C167%2C159.%E7%94%B1%E8%BF%99%E7%BB%84%E6%95%B0%E6%8D%AE%E7%94%BB%E5%87%BA%E7%9A%84%E9%A2%91%E6%95%B0%E5%88%86%E5%B8%83%E7%9B%B4%E6%96%B9%E5%9B%BE%E4%B8%AD%2C154.5%26%2312316%3B157.5%E4%B8%8E157.5%26%2312316%3B160.5%E8%BF%99%E4%B8%A4%E7%BB%84%E7%9B%B8%E5%BA%94%E7%9A%84%E5%B0%8F%E9%95%BF%E6%96%B9%E5%BD%A2%E7%9A%84%E9%AB%98%E4%B9%8B%E6%AF%94%E6%98%AF%3F)
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