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Slide 1: Different Public(s) and Voting Preferences : “Strata” and Data. Dr. East . Slide 2: Polls Divide Pubic by Stratum. Pronounced ˈ strātəm ,ˈplural noun: strata 1 . a layer or a series of layers of rock in the ground. "a stratum of flint” Synonyms: layer, vein, seam, lode, bed
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Slide 1: Different Public(s) and Voting Preferences: “Strata” and Data Dr. East
Slide 2: Polls DividePubic by Stratum Pronounced ˈstrātəm,ˈplural noun: strata 1. a layer or a series of layers of rock in the ground. "a stratum of flint” Synonyms: layer, vein, seam, lode, bed 2. a level or class to which people are assigned according to their social status, education, or income, etc. "members of other social strata” Synonyms: class, public group, set, level, rank, grade
Slide 3: Remember? Stratified Sampling Clearly a sample of hippies and non-hippies ;)
Slide 4: AP EXAMRefresher: Graph and Map Reading • Read title to get idea of theme • Read X axis title, and y axis title, if no title read categories • Look for legend, look for source info. • What kind of graph is it? • Histogram or bar chart • Line • Pie (wedges always sum to 100%) • ?????? Pay attention! Here’s some examples
Slide 5: % Voter Turnout/Participationin Elections: US to Other Countries
Slide 8: Party Affiliation over Time # independents have grown but party affiliation is still # 1 reason for voting a particular way
Slide 9: 2012 Exit Polls by Gender, Race & Ethnicity Obama left column; Romney Right column
Slide 10: Ideological Orientation & Party Affiliation Not the Same
Slide 12: 2012 US Voter Preferences Voter Breakdown Democrat Republican