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This morning Tom visited 6 Internet sites, and Andrew visited 8 Internet sites. The table shows the time, in minutes, spent visiting each site.
Quantity A
The standard deviation of the 6 times shown for Tom
Quantity B
The standard deviation of the 8 times shown for Andrew
A显示答案
· 相关考点
5.2.9 标准差
5.2.9 标准差
以上解析由 考满分老师提供。