一、集中趋势(Central Tendency) 1, What is the most typical value? The Average: typical value for quantitative data The Weighted Average: Adjusting for importance The Median: typical value for quantitative and ordinal data The Mode: typical value even for nominal data 2, What percentile is it? Extremes, Quartiles, and Box Plots The Cumulative distribution function displays the percentiles

一、数据集合 Measurements of items e.g., Yearly sales volume for your 23 salespeople e.g., Cost and number produced, daily, for the past month 二、基本单元 The items being measured e.g., Salespeople, Days, Companies, Catalogs, . 三、变量 The type of measurement being done e.g., Sales volume, Cost, Productivity, Number of defects

一、基本抽样问题 1 基本概念 2 制定抽样计划的步骤 3 抽样误差与非抽样误差 4 概率抽样方法 5 非概率抽样方法

To learn the objectives of questionnaire esign. To understand the role of the questionnaire in the data collection process. To become familiar with the criteria for a good questionnaire. To learn the process for questionnaire design

Statistical Thinking and Management Descriptive versus Inferential Statistics Types of Data and their Sources Types of Sampling Methods Types of Survey Errors

The Normal Distribution The Standard Normal Distribution Assessing the Normality Assumption The Exponential Distribution Sampling Distribution of the Mean Sampling Distribution of the Proportion Sampling From Finite Populations

Basic Probability Concepts: Sample Spaces and Events, Simple Probability, and Joint Probability(联合概率) Conditional Probability(条件概率) Bayesian Theorem(贝叶斯定理) .The Probability of a Discrete Random Variable .Binomial, Poisson, and Hypergeometric Distributions Covariance(协方差) and its Applications in Finance

一、经济学与西方经济学 二、西方经济学基本框架 三、西方经济学基本原理 四、当代主流经济学的新古典性质 五、主流经济学的缺陷与未来的发展方向 六、国内外经济学的教学与科研

1.今年的名义国内生产总值大于去年的名义国内生产总值,说明: A.今年的物价水平一定比去年高了 B.今年生产的物品和劳务总量一定比去年增加了 C.今年的物价水平和实物产量水平一定都比去年提高了 D.以上三种说法都不一定正确

第一章 宏观经济学的研究对象是什么?宏观经济学所关心的主要问题有哪些?