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For the 500 measurements obtained in experiment X, the average (arithmetic mean) value is 280 and the value k is at the 75th percentile. For the 500 measurements obtained in experiment Y, the average value is 280 and the value n is at the 75th percentile.
Quantity A: k Quantity B: n
Quantity A: k Quantity B: n
D显示答案
以上解析由 考满分老师提供。
