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The sum of the x positive measurements in list A is equal to the sum of the y positive measurements in list B. The average (arithmetic mean) of the x measurements in list A is greater than the average of the y measurements in list B.
Quantity A
x
Quantity B
y
B显示答案
· 相关考点
5.2.1 平均值
5.2.1 平均值
以上解析由 考满分老师提供。
