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Bluebook试题4 · 第 14 题

Bluebook试题4 · 原库模块 3 · Q14 原库参考解析

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  • Bluebook试题4 · 原库模块 3 · Q14
  • Distributions and measures of center and spread · 原库模块 1 · Q15
  • 机考OG3 · 原库模块 2 · Q20

Data set A consists of the heights of 75 buildings and has a mean of 32 meters. Data set B consists of the heights of 50 buildings and has a mean of 62 meters. Data set C consists of the heights of the 125 buildings from data sets A and B. What is the mean, in meters, of data set C?

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