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所在平台: Udemy |
课程主页: https://www.udemy.com/course/statistics-meaning-collection-and-presentation-of-data/
课程评论：没有评论
本课程《揭秘统计：从数据收集到呈现》（Statistics Unveiled: From Data Collection to Presentation）旨在引导学员深入理解统计学的基本概念和应用。 课程首先探讨了信息在我们日常生活中的普遍存在形式，定义了“数据”的内涵，并明确了统计学作为一门从数据中提取有意义信息的数学分支。课程还将详细阐释“统计”一词在不同语境下的多重含义，并强调统计学与数据之间密不可分的关系。 学员将学习如何从日常生活中收集具有代表性的数据（例如，通过个人观察、测量等）以及如何区分和获取初级数据（Primary Data）和次级数据（Secondary Data）。课程将详细介绍收集初级数据的各种方法，并列举获取次级数据的不同渠道，同时深入剖析两者之间的关键区别。 在数据收集之后，课程将重点讲解数据的呈现。学员将了解何时按升序或降序排列数据会耗费大量时间，以及如何构建和理解未分组频率分布表（Ungrouped Frequency Distribution Table），并通过具体实例进行说明。此外，课程还将介绍分组频率分布表（Grouped Frequency Distribution Table）的概念，并结合一个实际场景（例如，学生体重分组）进行详细的案例分析和表格绘制。 最后，课程将对统计学在各个领域的广泛应用进行评论，展示统计学作为科学研究和决策制定的重要工具的价值。
1. From where we everyday get a lot of information in the form of facts, numerical figures, tables or graphs etc.2. What is the meaning of data?3. What is the name of branch of mathematics where the extraction of meaningful information from data is studied?4. The word "statistics" has different meanings in different contexts. Elaborate.5. Statistics deals with data. Comment.6. Give five examples of data that you can collect from your day-to-day life?7. What is the meaning of primary data?8. Primary Data can be collected through various methods. What are those?9. What is meant by Secondary data?10. Secondary data can be sourced or collected from various sources. What are those?11. What is the difference between Primary Data and Secondary data.12. What is the next step after the collection of data?13. What is meant by presentation of data?14. In which scenario, the presentation of data in ascending or descending order can be quite time consuming?15. What is meant by ungrouped frequency distribution table? Elaborate it with the help of an example.16. What is the meaning of grouped frequency distribution table? Elaborate it with the help of an example.17. A class of 50 students has been divided into two groups on the basis of weight of students i.e. 30-50kg. (30 students) and 51-70kg (20 students). Suppose a new student of 50.5 kg. gets admission. Draw the grouped frequency distribution table for the new scenario.Statistics is used in a variety of fields. Comment.
