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In the distribution of the weights of the fish in a certain sample, a weight of 30 pounds is 2.2 standard deviations above the mean and a weight of 14 pounds is 1.8 standard deviations below the mean. What is the mean of the wveights of the fish in this sample, to the nearest pound?
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· 相关考点
5.3.1 数据分布的描述
5.3.1 数据分布的描述
以上解析由 考满分老师提供。