概率与统计 理工类 英文版 第六版 期末试卷及答案 (Jay)

期末试卷配套教材：

书名：概率与统计 理工类 英文版 第6版
作者：Jay L.Devore
出版社：机械工业出版社

期末试卷概述：

The amount of radiation received at a greenhouse plays an important role in determining the rate of photosynthesis. The accompanying observations on incoming solar radiation were 6.3 6.4 7.7 8.4 8.5 8.8 8.9 9.0 9.1 10.0 10.1 10.2 10.6 10.6 10.7 10.7 10.8 10.9 11.1 11.2 11.4 11.9 11.9 12.2 13.1 (1) Construct a stem-and-leaf display of the data (2) Compute the following values for these sample: mean x , median x, fourth spread fs (fs = upper fourth - lower fourth), and the standard deviation s.