5.1 The Meaning of Regression Analysis 1.Regression analysisthe study of the relationship between one variable Y (the explained, or dependent variable) and one or more other variables X/Xs (explanatory, or independent variables)

Statistical inference draws conclusions about a population [i.e., probability density function(DF)] from random sample that has supposedly been drawn from that population

The Normal Distribution: the distribution of a continuous r.v. whose value depends on a number of factors, yet no single factor dominates the other. 1. Properties of the normal distribution: 1)The normal distribution curve is symmetrical around its mean valueu. 2)The PDF of the distribution is the highest at its mean value but tails off at its extremities

2.1 SOME NOTATION 1. The Summation Notation X, =X1++...+n can be abbreviated as:Σx,orΣx 2. Properties of the Summation Operator

Definition (1) Econometrics: economic measurement. (2) Econometrics: the social science in which the tools of economic theory, mathematics, and statistical inference are applied to the analysis of economic phenomena. (3) Econometrics: the result of a certain outlook on the role of economics, consists of the application of mathematical statistics to economic data to lend

一、内部招聘 二、内部提拔 三、横向调动 四、重新雇佣或召回以前的雇员

一、面试招聘的重要意义 二、招聘的误区 三、专业化的面试招聘程序 四、角色演练

一、红旗轿车的市场定位 二、企业应在激烈的竞争中找准自己的位置

什么是面试? 一、是一种面试人与求职者之间相互交流信息的有目的的会谈。它使招聘方和受聘方都能得到充面试 二、分的信息,以在招聘中作出正确的决定。面试是一个双方彼此考量和认知的过程

一、应聘者的学习能力:掌握新工作的时间; 二、应聘者的价值观; 三、应聘者的认知接受能力:承认、接受错误,并能从中汲取经验教训