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Quantity A: the standard deviation of 10, 45, 50, 55, 90Quantity B: the standar
Quantity A: the standard deviation of 10, 45, 50, 55, 90Quantity B: the standar
游客
2024-01-12
40
管理
问题
Quantity A: the standard deviation of 10, 45, 50, 55, 90
Quantity B: the standard deviation of 10, 30, 50, 70, 90
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
B
解析
两个数列的平均值都为50,相同数字是10,50,90;但是Quantity A中的45和55距离50比Quantity B中的30和70距离50要小,因此Quantity A比Quantity B小,选择B。
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