2. 职称英语
  3. Quantity A: The standard deviation of the numbers 45, 64, 83, and 53Quantity B:

Quantity A: The standard deviation of the numbers 45, 64, 83, and 53Quantity B:

游客2024-01-12  38
问题 Quantity A: The standard deviation of the numbers 45, 64, 83, and 53
Quantity B: The standard deviation of the numbers 55, 81, 47, and 62
选项 A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.
答案 A
解析 45=47-2，53=55-2，64=62+2，83=81+2，由此可见Quantity A和Quantity B两个数列平均值相等，而Quantity A数列中的数与平均值差距更大。故答案为A。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3355226.html
相关试题推荐
随机试题
最新回复(0)