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$$r \gt s$$
List $$L$$ consists of $$r$$ values, and the average (arithmetic mean) of the values in $$L$$ is $$52.8$$. List $$M consists of $$s$$ values, and the average of the values in $$M$$ is $$54.2$$. List $$K$$ consists of the values in $$L$$ and the values in $$M$$.
List $$L$$ consists of $$r$$ values, and the average (arithmetic mean) of the values in $$L$$ is $$52.8$$. List $$M consists of $$s$$ values, and the average of the values in $$M$$ is $$54.2$$. List $$K$$ consists of the values in $$L$$ and the values in $$M$$.
Quantity A
The average of the values in $$K$$
Quantity B
$$53.5$$
B显示答案
· 相关考点
2.5.5 综合占比问题
2.5.5 综合占比问题
以上解析由 考满分老师提供。
