The Multiple Regression Model Contribution of Individual Independent Variables Coefficient of Determination Categorical Explanatory Variables Transformation of Variables Model Building

Testing with Rank Sum Z Test for Differences in Two Proportions (Independent Samples) x2Test for Differences in Two Proportions (Independent Samples) x2Test for Differences in c Proportions (Independent Samples) x2Test of Independence

一、假设检验的基本概念 二、One- Sample Tests(单样本检验)

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、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

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

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

Polymer Properties Depend On 1. What elements are in the molecule? 2. What size(molecular weight) is the molecule? 3. Is the molecule polar or non-polar? 4. What shape is the molecule? 5. What is its thermal history? 6. What is its mechanical history?

content Introduction The Contain Function The Protect/Preserve Function Food Preservation The Transport Function The Inform/Sell Function

Background Steel is one of the older packaging materials. - Originally used for round, square, and rectangular boxes and canisters. - The oldfashioned- appearance of fabricated metal box is effectively used to create nostalgia for specialty and gift-type containers