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The average (arithmetic mean) of 50 measurements is 34.6, and the least and the
The average (arithmetic mean) of 50 measurements is 34.6, and the least and the
游客
2025-02-24
44
管理
问题
The average (arithmetic mean) of 50 measurements is 34.6, and the least and the greatest of the measurements are 18.3 and 50.9, respectively.
Column A Column B
The median of the 50 measurements 34.6
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
D
解析
50次测量的算术平均值是34.6,测量的最大值和最小值分别为18.3和50.9。
解:本题的正确答案是(D)。考生在解答本题时,只要注意到mean和median之间没有任何确定的关系,就可推知本题为无法判断。
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