Week 7 Sampling

Sampling ,[object Object],[object Object],[object Object]

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]

1936 Presidential Election ,[object Object],[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]

Cluster Samples ,[object Object]

Cluster Samples ,[object Object],[object Object],[object Object]

Cluster Samples ,[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],[object Object]

Sampling Distribution ,[object Object]

Confidence and Error ,[object Object],[object Object]

Standard Error ,[object Object]

Confidence Intervals ,[object Object]

Gallup Poll Standard Error ,[object Object],[object Object]

Week 7 Sampling

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Week 7 Sampling