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ZX-5DA04413DC2025年6月国际B卷 · 第 11 题
2025年6月国际B卷 · 原库模块 1 · Q11 原库参考解析
A survey of the daily commuting times, in minutes, of seven different Chicago-based employees at a certain company yielded a data set consisting of the values 31, 13, 44, 32, 53, 22, and 44. A survey of the daily commuting times, in minutes, of seven different San Francisco-based employees at the same company yielded a data set consisting of the values 46, 31, 19, 33, 48, x, and 38. If the means of the two data sets are equal, what is the value of x?
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