2026年8月美国A卷 · 第 11 题

2026年8月美国A卷 · 原库模块 2 · Q11 参考答案

The dot plot represents an original data set of the ages of the 20 cards in a baseball card collection. A card that is 12 years old is added to the collection, resulting in a new data set of the ages of 21 cards. Which statement best compares the median of the original data set and the median of the new data set?