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2025年3月美国C卷练习 · 第 20 题

2025年3月美国C卷练习 · 原库模块 1 · Q20 原库参考解析

Data set A: 8, 11, 12, 15, 21, 27
Data set B: 9, 12, 13, 16, 22, h
Data sets A and B each consist of 6 values as shown, where h is a constant. If the standard deviation of data set A is greater than the standard deviation of data set B, which of the following could be the value of h?

Ⅰ. 23
Ⅱ. 28
Ⅲ. 29

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