一、基础知识应用题运用统计基本知识解决问题,是本章最常见的题型之一,题目通常以选择题、填空题、计算题、简答题的形式出现.解答的关键是正确利用基本概念、公式等.如例1为了了解某校八年级男生的体重情况,从中抽取了50名学生测量体重,在这个问题中,(1)所采用的是哪种调查方 First, the basic knowledge of the application of statistical basic knowledge to solve problems, is one of the most common types of questions in this chapter, the title is usually a multiple-choice, fill in blank, calculated questions, short answer questions in the form of the answer. The key is to correctly use the basic concepts, Equations, etc. Example 1 In order to understand the weight of a male student in an eighth grade school, 50 students were selected to measure body weight. In this question, what kind of investigator was used in (1)?