Midterm

# Midterm - ReviewLecture Sociology 549 Paul von Hippel 1...

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Sociology 549, Paul von Hippel 1 Review Lecture Preparing for the midterm

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Sociology 549, Paul von Hippel 2 Statistics on midterm • Let  Y =midterm – average of first three assignments For spring 2004, interpret the following   % 19 % 1 . 4 % 6 . 3 ) ( 49 = - = - = = Y S Y Y median N
Sociology 549, Paul von Hippel 3 To increase  Y • Know  all  the material Don’t be surprised • Be fast Recognize different types of problem Find formulas quickly, calculate quickly Write up briefly • Finish the Practice Midterm in 90 minutes Note. Topics not on Practice Midterm are fair game e.g., sampling and sampling variation

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Sociology 549, Paul von Hippel 4 Other ways to study • Go over old homework making sure you can correct your mistakes • Go over lecture notes Do examples before you see my solution • Do odd numbered chapter problems Check your answers in the back of the book Remember the book doesn’t use t in confidence intervals for means—but you do!
Sociology 549, Paul von Hippel 5 Allowed materials • Formula sheet; you can annotate with interpretations examples mistakes you’ve made in the past • Tables; you can annotate • Calculator • Pencil (recommended) or pen

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Sociology 549, Paul von Hippel 6 First half of course Lecture s Question Topics (cumulative) 1 Data sets: Cases and variables 2 Frequency tables 3 Graphics 4 What’s typical? mean (aka average), trimmed  mean, median, mode 5 How much variety is  there? variance, standard deviation, etc. 6-7 Who are we talking  about? sampling distribution of the  mean 8 How certain are we? confidence interval for the  mean 9 How certain are we? sampling distribution and  confidence intervals for a
Sociology 549, Paul von Hippel 7 Data sets and frequency tables Lecture s Question Topics (cumulative) 1 Data sets: Cases and variables 2 Frequency tables • Distinguish a frequency table from a data  set • Turn a data set into a frequency table  and vice versa • Calculate and interpret (cumulative) frequencies (cumulative) proportions/percentages

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Midterm - ReviewLecture Sociology 549 Paul von Hippel 1...

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