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Week 7 Sampling

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1 of 56
Sampling ,[object Object],[object Object],[object Object]
What do polls tell us?
Population ,[object Object],[object Object],[object Object],[object Object]
Sample ,[object Object],[object Object],[object Object],[object Object]
Population vs. Sample Study Population Sample U.S. Voting Voting-Age Pop. Gallup Poll Respondents Military Coups All coups Coups in Latin America in 1980s Supreme Court Decision-making All decisions on the merits Merits decisions on Burger Court Democratization All democratizing countries Democratizing post-Cold War
Populations and Samples ,[object Object],[object Object],[object Object],[object Object]
Population Parameters ,[object Object],[object Object]
Sample Statistics ,[object Object]
Statistics vs. Parameters ,[object Object],[object Object]
Population vs. Samples ,[object Object],[object Object],[object Object]
Sampling ,[object Object],[object Object],[object Object]
1936 Presidential Election ,[object Object],[object Object],[object Object],[object Object]
Sampling ,[object Object],[object Object],[object Object]
Sampling ,[object Object],[object Object],[object Object]
Sampling ,[object Object],[object Object]
Simple Random Sample ,[object Object],[object Object]
Simple Random Sample ,[object Object],[object Object],[object Object]
Simple Random Sample Method 1 ,[object Object],[object Object],[object Object],[object Object]
Simple Random Sample Method 2 ,[object Object],[object Object],[object Object]
Systematic Sample ,[object Object],[object Object],[object Object],[object Object]
Systematic Sample ,[object Object],[object Object],[object Object]
Stratified Sample ,[object Object],[object Object]
Stratified Sample ,[object Object],[object Object],[object Object]
Proportionate Stratified Sample ,[object Object],[object Object],[object Object]
Proportionate Stratified Sample ,[object Object],[object Object],[object Object],[object Object]
Disproportionate Stratified Sample ,[object Object],[object Object],[object Object]
Disproportionate Stratified Sample ,[object Object],[object Object],[object Object]
Cluster Samples ,[object Object]
[object Object]
Cluster Samples ,[object Object],[object Object],[object Object]
Cluster Samples ,[object Object],[object Object]
Nonprobability Samples ,[object Object],[object Object],[object Object]
Nonprobability Samples ,[object Object],[object Object],[object Object]
Statistical Inference ,[object Object]
Statistical Inference ,[object Object],[object Object]
Statistical Inference ,[object Object],[object Object],[object Object],[object Object]
Expected Value ,[object Object]
Expected Value ,[object Object],[object Object]
Expected Value ,[object Object],[object Object],[object Object],[object Object]
Expected Value ,[object Object],[object Object]
Expected Value ,[object Object],[object Object]
Expected Value ,[object Object]
Expected Value ,[object Object],[object Object],[object Object]
Sampling Distribution ,[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
Confidence and Error ,[object Object],[object Object]
Standard Error ,[object Object]
Standard Error
Confidence Intervals ,[object Object]
 
Gallup Poll Standard Error ,[object Object],[object Object]
[object Object]
Confidence Intervals ,[object Object]

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Week 7 Sampling

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  • 2. What do polls tell us?
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  • 5. Population vs. Sample Study Population Sample U.S. Voting Voting-Age Pop. Gallup Poll Respondents Military Coups All coups Coups in Latin America in 1980s Supreme Court Decision-making All decisions on the merits Merits decisions on Burger Court Democratization All democratizing countries Democratizing post-Cold War
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