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2026年5月国际A卷 · 第 20 题

2026年5月国际A卷 · 原库模块 2 · Q20 原库参考解析

A zoologist observed the nests of wood ducks in an area. Each year, the zoologist recorded the number of eggs in each of the first 50 nests that were observed and created a frequency table for the data set. Which of the following frequency tables represents the data set with the smallest standard deviation?
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