2024年10月北美B卷 · 第 15 题

2024年10月北美B卷 · 原库模块 2 · Q15 原库参考解析

The histagram summarizes a data set of the weights, in pounds, of 14 salmon. If an additional weight of 21 pounds is added to the original data set to create a new data set of 15 weights, which of the following measures must be less for the new data set than for the original data set?

Ⅰ. The median
Ⅱ. The mean