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11, 12, 13, 14, 15
Which of the following changes to the list of numbers above would increase the average (arithmetic mean) of the numbers but not affect their standard deviation?
Which of the following changes to the list of numbers above would increase the average (arithmetic mean) of the numbers but not affect their standard deviation?
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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。
