packet1_spring_2016_12up - Stat 104 Roadmap Data Intro Population vs sample Parameters vs statistics Graphs Dotplots and Histograms Central tendency

# packet1_spring_2016_12up - Stat 104 Roadmap Data Intro...

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Stat 104 - Roadmap Intro Population vs. sample Parameters vs. statistics Basic Probability Marginal prob. Conditional probability Laws of probability Probability tables Descriptive Stats Central tendency Variability Relative standing 2 variable stats Graphs Dotplots and Histograms Data Discrete Distributions Random variable E[X], Var[X] & Laws of expectation Binomial Joint distributions Estimation Point estimators Confidence intervals Levels of confidence: ! " # Central Limit Theorem \$ 2%&'() *+,-. / 3%& 0) 4 564 1 Continuous Distributions Density functions Uniform distribution Normal distribution T-distribution Inference Analysis Linear Regression Least squares lines: scatterplot Multivariate regression Dummy variables: 0/1 Regression Diagnostics Hypothesis Testing Testing parameters: mu and pi Left tailed, right tailed, two-tailed Rejection regions approach P-values Levels of significance Type I and Type II errors Two Sample Tests Compare mean across two populations Compare two proportions ! " Stat 104: Quantitative Methods for Economists Class 1: The Nature of Statistics # +LVWRULFDO 4XRWHV Statistics ... "the most important science in the whole world: for upon it depends the practical application of every other science and of every art; the one science essential to all political and social administration, all education, all organization based upon experience, for it only gives the results of our experience." Florence Nightingale "Statistical thinking will one day be as necessary for efficient citizenship as the ability to read and write.“- H.G. Wells 1 \$QG \RX ZDQW WR EH P\ ODWH[ VDOHVPDQ" ; :KHUH \$P ," Michael Parzen: Sci 300b Phone: 617-495-8711 Email: [email protected] ? :KR \$P ," @ 7KH 3ULPDU\ 7HDFKLQJ 6WDII ! Me (well duh): [email protected] " Feel free to contact me for any problems/concerns/anything about the course/life. ! Department Preceptor Mayumi M. Fleshler " She deals with students with special needs and course emergencies. [email protected] ! Head Teaching Fellow (TF) TBA " Kaitlin Hagan, Phd student at HSPH In charge of sections and all the course teaching fellows. F 7HDFKLQJ 6WDII +LHUDUFK\ Parzen Mayumi Fleshler (Preceptor) (head TF) Assigned TF G &RXUVH :HEVLWH Course website: There you will find: Syllabus Administrative Announcements Lecture Notes Stata Tutorial Assigned Homeworks Other Study Material (old exams, web links, etc...) !I &RXUVH ,QWHQW ! Overcome Math Anxiety. ! Learn skills for other courses and the workplace (no Las Vegas Syndrome). ! Use statistical tools to identify problems and opportunities. Learn techniques which help you make decisions.