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For the numbers in set A, the average (arithmetic mean) is 5.0 and the standard deviation is 0.6. For the numbers in set B, the average (arithmetic mean) is 5.0 and the standard deviation is 0.7.
Quantity A
The standard deviation of the numbers in A after each number in that set has been increased by 3
Quantity B
The standard deviation of the numbers in B after each number in that set has been increased by 2
B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。
