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For a sample of 210 households, one-third of the households do not have any pets, one-third of the households each have 1 pet, and the rest of the households each have 2 pets. Which of the following statistics for the sample are equal to 1?
Indicate all such statistics.
A,B显示答案
· 相关考点
5.2.11 用数字描述数据综合题
5.2.11 用数字描述数据综合题
以上解析由 考满分老师提供。
