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2024年10月北美A卷 · 第 7 题

2024年10月北美A卷 · 原库模块 1 · Q7 原库参考解析

A sample was selected at random from a population. Based on the sample, it is estimated that the mean value of a variable for this population is 88, with an associated margin of error of 1.5. Based on the estimate and associated margin of error, which of the following best describes the range of plausible values for the population mean?
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