论文部分内容阅读
本章“统计”部分是在初中“统计初步”和高中“概率”内容的基础上来学习的,所介绍的抽样方法比初中更系统和详细,而用样本频率分布去估计总体分布,更是初中相关内容的继续和深入.
The “Statistics” section of this chapter is based on the “Introduction to Statistics” and “Probability” content in junior high schools. The sampling method introduced is more systematic and detailed than the junior middle school, and the distribution of the sample frequency is used to estimate the overall distribution, which is related to the junior high school. Continuation and in-depth content.