应用商务统计学讲义,第一章,中英文对照.pptVIP

* * * * * * * * * * * * * 8 * 14 * 9 * 12 * 16 * * * Ch0: First Things First and Ch1: Defining and collecting data Learning Objectives What is Statistics?什么是统计学 Basic concepts in Statistics 统计学中的基本概念 Data, variable, population, sample, parameter, statistic, etc… 数据、变量、人口样本统计量、参数，等等…… Data/variable types 数据/变量类型 How to collect data如何收集数据 The different ways to collect a sample收集样本的不同方法 The types of survey errors调查误差的类型 * What is Statistics? Statistics refers to methods that help transform data into useful information for decision makers. 统计指的是帮助决策者将数据转化为有用信息的方法。 Statistics is a way of thinking that can lead to better decisions. 统计是一种可以带来更好决策的思维方式。 * Why Statistics? In today’s digital world ever increasing amounts of data are gathered, stored, reported on, and available for further study. Business information systems ?在当今的数字世界中，越来越多的数据被收集、存储、报告，并可供进一步研究。 -商业信息系统 You hear the word data everywhere. 你到处都听到“数据”这个词。 Data are facts about the world and are constantly reported by an ever increasing number of sources. 数据是关于世界的事实，并且不断地被越来越多的来源所报道。 * To Properly Apply Statistics You Should Follow A Framework To Minimize Possible Errors为了正确地应用统计数据，您应该遵循一个框架，以尽量减少可能出现的错误。 In this course we will use DCOVA Define the data you want to study in order to solve a problem or meet an objective Collect the data from appropriate sources Organize the data collected by developing tables Visualize the data by developing charts Analyze the data collected to reach conclusions and present results 在这个过程中我们将使用DCOVA -定义你想研究的数据，以解决问题或达到一个目标。 -从适当的来源收集数据 -组织开发表收集的数据 -通过开发图表来可视化数据 -分析收集到的数据，得出结论并给出结果 * Using The DCOVA Framework Helps You To Apply Statistics To:使用DCOVA框架帮助你申请统计： Summarize visualize business data 总结和可视化业务数据 Reach conclusions from those data 从这些数据中得出结论 Make reliable forecasts about business activities 对业务活动作出可靠的预测 Improve business processes 改进业务流程 * Business Analytics: The Changing Face Of Statistics商业分析：统计数据的变化 Use information systems methods to collect and process data sets