第3章统计概述 Summary of statistics
第3章 统计概述 Summary of Statistics
本章概要 Statistical Thinking and management .Descriptive versus Inferential Statistics . Types of Data and their Sources .Types of Sampling Methods .Types of Survey Errors
本章概要 •Statistical Thinking and Management •Descriptive versus Inferential Statistics •Types of Data and their Sources •Types of Sampling Methods •Types of Survey Errors
Statistical Thinking and Management 统计思想与管理 Management Philosophy 管理哲学 Statistical methods Behavioral tools 统计方法 行为工具 Three Aspects of Quality Improvement
Statistical Thinking and Management 统计思想与管理 Three Aspects of Quality Improvement Management Philosophy 管理哲学 Behavioral Tools 行为工具 Statistical Methods 统计方法
Statistical methods Descriptive Statistics 统计描述 统计推断 Collecting and describing data. .Inferential statistics Making decisions based on sample data
Statistical Methods •Descriptive Statistics •Inferential Statistics Collecting and describing data. Making decisions based on sample data. 统计描述 统计推断
统计描述 收集资料、整理资料、描述资料 Collect Data e.g. Survey .Present Data e.g. Tables and Graphs e Characterize Data e.g. Mean 2 X A Characteristic of a: (1) Population is a Parameter (2) Sample is a statistic
统计描述 收集资料、整理资料、描述资料 •Collect Data e.g. Survey •Present Data e.g. Tables and Graphs •Characterize Data e.g. Mean n x i A Characteristic of a: (1) Population is a Parameter (2) Sample is a Statistic