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In a group of 10 people, the median height is 70 inches, the average (arithmetic mean) height is 70.5 inches, and the range of the heights is 12 inches. If an additional person who is 74 inches tall joins the group, which of the three statistics must change?
A显示答案
· 相关考点
5.2.5 极差 5.2.4 众数 5.2.2 中位数
5.2.5 极差
5.2.4 众数
5.2.2 中位数
以上解析由 考满分老师提供。
