Bluebook试题11 · 第 13 题

Bluebook试题11 · 原库模块 3 · Q13 原库参考解析

The histogram summarizes data set A, which represents the number of points per player earned by 50 players of a game. A new player earns 18 points playing the game, and this number of points is added to data set A to create data set B with 51 values. Which of the following must be true?
Ⅰ. The median number of points per player for data set B is less than the median number of points per player for data set A.
Ⅱ. The mean number of points per player for data set B is less than the mean number of points per player for data set A.