SlideShare ist ein Scribd-Unternehmen logo
1 von 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]

Weitere ähnliche Inhalte

Was ist angesagt? (11)

SAMPLING
SAMPLINGSAMPLING
SAMPLING
 
Simple random sampling
Simple random samplingSimple random sampling
Simple random sampling
 
Sample
SampleSample
Sample
 
Quota Sampling
Quota SamplingQuota Sampling
Quota Sampling
 
Sampling techniques- Probability Sampling
Sampling techniques- Probability SamplingSampling techniques- Probability Sampling
Sampling techniques- Probability Sampling
 
Sampling design
Sampling designSampling design
Sampling design
 
Sampling techniques new
Sampling techniques newSampling techniques new
Sampling techniques new
 
Chapter10 3%285%29
Chapter10 3%285%29Chapter10 3%285%29
Chapter10 3%285%29
 
Sample surveys
Sample surveysSample surveys
Sample surveys
 
Basic Concepts of Inferential statistics
Basic Concepts of Inferential statisticsBasic Concepts of Inferential statistics
Basic Concepts of Inferential statistics
 
sampling
samplingsampling
sampling
 

Andere mochten auch

Andere mochten auch (6)

Statistics
StatisticsStatistics
Statistics
 
Berry et al
Berry et alBerry et al
Berry et al
 
Morestatistics22 091208004743-phpapp01
Morestatistics22 091208004743-phpapp01Morestatistics22 091208004743-phpapp01
Morestatistics22 091208004743-phpapp01
 
Presidency
PresidencyPresidency
Presidency
 
Civil Rights
Civil RightsCivil Rights
Civil Rights
 
Am Federalism
Am FederalismAm Federalism
Am Federalism
 

Ähnlich wie Week 7 Sampling

03 PSBE3_PPT.Ch03.ppt
03 PSBE3_PPT.Ch03.ppt03 PSBE3_PPT.Ch03.ppt
03 PSBE3_PPT.Ch03.pptBishoyRomani
 
POL SOC 360 Sampling Generalizability
POL SOC 360 Sampling Generalizability POL SOC 360 Sampling Generalizability
POL SOC 360 Sampling Generalizability atrantham
 
Statistics and probability - For Demo in Senior High School.pptx
Statistics and probability - For Demo in Senior High School.pptxStatistics and probability - For Demo in Senior High School.pptx
Statistics and probability - For Demo in Senior High School.pptxJamesRogerBadillo3
 
Probability sampling techniques
Probability sampling techniquesProbability sampling techniques
Probability sampling techniquesMark Santos
 
statics engineering mechanics slides.pdf
statics engineering mechanics slides.pdfstatics engineering mechanics slides.pdf
statics engineering mechanics slides.pdfAurangzebRashidMasud2
 
STA 222 Lecture 1 Introduction to Statistical Inference.pptx
STA 222 Lecture 1 Introduction to Statistical Inference.pptxSTA 222 Lecture 1 Introduction to Statistical Inference.pptx
STA 222 Lecture 1 Introduction to Statistical Inference.pptxtaiyesamuel
 
Sampling Technique - Anish
Sampling Technique - AnishSampling Technique - Anish
Sampling Technique - AnishAnish Kumar
 
sampling technique
sampling techniquesampling technique
sampling techniqueAnish Kumar
 
Population and Sample in Total Quality Management
Population and Sample in Total Quality ManagementPopulation and Sample in Total Quality Management
Population and Sample in Total Quality ManagementDr.Raja R
 
Adler clark 4e ppt 05
Adler clark 4e ppt 05Adler clark 4e ppt 05
Adler clark 4e ppt 05arpsychology
 
Chapter 3 part2- Sampling Design
Chapter 3 part2- Sampling DesignChapter 3 part2- Sampling Design
Chapter 3 part2- Sampling Designnszakir
 

Ähnlich wie Week 7 Sampling (20)

03 PSBE3_PPT.Ch03.ppt
03 PSBE3_PPT.Ch03.ppt03 PSBE3_PPT.Ch03.ppt
03 PSBE3_PPT.Ch03.ppt
 
nossi ch 9
nossi ch 9nossi ch 9
nossi ch 9
 
Common sampling techniques
Common sampling techniquesCommon sampling techniques
Common sampling techniques
 
POL SOC 360 Sampling Generalizability
POL SOC 360 Sampling Generalizability POL SOC 360 Sampling Generalizability
POL SOC 360 Sampling Generalizability
 
Statistics and probability - For Demo in Senior High School.pptx
Statistics and probability - For Demo in Senior High School.pptxStatistics and probability - For Demo in Senior High School.pptx
Statistics and probability - For Demo in Senior High School.pptx
 
Statistics
StatisticsStatistics
Statistics
 
brm Assign 5.pdf
brm Assign 5.pdfbrm Assign 5.pdf
brm Assign 5.pdf
 
Sampling
SamplingSampling
Sampling
 
Probability sampling techniques
Probability sampling techniquesProbability sampling techniques
Probability sampling techniques
 
Sampling Techniques.docx
Sampling Techniques.docxSampling Techniques.docx
Sampling Techniques.docx
 
On Samples And Sampling
On Samples And SamplingOn Samples And Sampling
On Samples And Sampling
 
statics engineering mechanics slides.pdf
statics engineering mechanics slides.pdfstatics engineering mechanics slides.pdf
statics engineering mechanics slides.pdf
 
STA 222 Lecture 1 Introduction to Statistical Inference.pptx
STA 222 Lecture 1 Introduction to Statistical Inference.pptxSTA 222 Lecture 1 Introduction to Statistical Inference.pptx
STA 222 Lecture 1 Introduction to Statistical Inference.pptx
 
Sampling Technique - Anish
Sampling Technique - AnishSampling Technique - Anish
Sampling Technique - Anish
 
sampling technique
sampling techniquesampling technique
sampling technique
 
Population and Sample in Total Quality Management
Population and Sample in Total Quality ManagementPopulation and Sample in Total Quality Management
Population and Sample in Total Quality Management
 
Adler clark 4e ppt 05
Adler clark 4e ppt 05Adler clark 4e ppt 05
Adler clark 4e ppt 05
 
sampling methods
sampling methodssampling methods
sampling methods
 
Chapter 3 part2- Sampling Design
Chapter 3 part2- Sampling DesignChapter 3 part2- Sampling Design
Chapter 3 part2- Sampling Design
 
StatIstics module 1
StatIstics  module 1StatIstics  module 1
StatIstics module 1
 

Mehr von mandrewmartin (20)

Regression
RegressionRegression
Regression
 
Diffmeans
DiffmeansDiffmeans
Diffmeans
 
More tabs
More tabsMore tabs
More tabs
 
Crosstabs
CrosstabsCrosstabs
Crosstabs
 
Statisticalrelationships
StatisticalrelationshipsStatisticalrelationships
Statisticalrelationships
 
Statistics 091208004734-phpapp01 (1)
Statistics 091208004734-phpapp01 (1)Statistics 091208004734-phpapp01 (1)
Statistics 091208004734-phpapp01 (1)
 
Research design pt. 2
Research design pt. 2Research design pt. 2
Research design pt. 2
 
Research design
Research designResearch design
Research design
 
Measurement pt. 2
Measurement pt. 2Measurement pt. 2
Measurement pt. 2
 
Measurement
MeasurementMeasurement
Measurement
 
Introduction
IntroductionIntroduction
Introduction
 
Building blocks of scientific research
Building blocks of scientific researchBuilding blocks of scientific research
Building blocks of scientific research
 
Studying politics scientifically
Studying politics scientificallyStudying politics scientifically
Studying politics scientifically
 
Chapter 11 Psrm
Chapter 11 PsrmChapter 11 Psrm
Chapter 11 Psrm
 
Stats Intro Ps 372
Stats Intro Ps 372Stats Intro Ps 372
Stats Intro Ps 372
 
Media
MediaMedia
Media
 
Media
MediaMedia
Media
 
Political Parties
Political PartiesPolitical Parties
Political Parties
 
Elections
ElectionsElections
Elections
 
Bureaucracy
BureaucracyBureaucracy
Bureaucracy
 

Kürzlich hochgeladen

{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...
{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...
{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...hyt3577
 
Politician uddhav thackeray biography- Full Details
Politician uddhav thackeray biography- Full DetailsPolitician uddhav thackeray biography- Full Details
Politician uddhav thackeray biography- Full DetailsVoterMood
 
Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...
Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...
Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...srinuseo15
 
06052024_First India Newspaper Jaipur.pdf
06052024_First India Newspaper Jaipur.pdf06052024_First India Newspaper Jaipur.pdf
06052024_First India Newspaper Jaipur.pdfFIRST INDIA
 
04052024_First India Newspaper Jaipur.pdf
04052024_First India Newspaper Jaipur.pdf04052024_First India Newspaper Jaipur.pdf
04052024_First India Newspaper Jaipur.pdfFIRST INDIA
 
China's soft power in 21st century .pptx
China's soft power in 21st century   .pptxChina's soft power in 21st century   .pptx
China's soft power in 21st century .pptxYasinAhmad20
 
Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...
Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...
Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...tewhimanshu23
 
The political system of the united kingdom
The political system of the united kingdomThe political system of the united kingdom
The political system of the united kingdomlunadelior
 
America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...
America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...
America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...Andy (Avraham) Blumenthal
 
KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...
KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...
KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...IT Industry
 
422524114-Patriarchy-Kamla-Bhasin gg.pdf
422524114-Patriarchy-Kamla-Bhasin gg.pdf422524114-Patriarchy-Kamla-Bhasin gg.pdf
422524114-Patriarchy-Kamla-Bhasin gg.pdflambardar420420
 
05052024_First India Newspaper Jaipur.pdf
05052024_First India Newspaper Jaipur.pdf05052024_First India Newspaper Jaipur.pdf
05052024_First India Newspaper Jaipur.pdfFIRST INDIA
 
Dubai Call Girls Pinky O525547819 Call Girl's In Dubai
Dubai Call Girls Pinky O525547819 Call Girl's In DubaiDubai Call Girls Pinky O525547819 Call Girl's In Dubai
Dubai Call Girls Pinky O525547819 Call Girl's In Dubaikojalkojal131
 
*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...
*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...
*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...anjanibaddipudi1
 
THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...
THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...
THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...Faga1939
 
Job-Oriеntеd Courses That Will Boost Your Career in 2024
Job-Oriеntеd Courses That Will Boost Your Career in 2024Job-Oriеntеd Courses That Will Boost Your Career in 2024
Job-Oriеntеd Courses That Will Boost Your Career in 2024Insiger
 
10052024_First India Newspaper Jaipur.pdf
10052024_First India Newspaper Jaipur.pdf10052024_First India Newspaper Jaipur.pdf
10052024_First India Newspaper Jaipur.pdfFIRST INDIA
 
declarationleaders_sd_re_greens_theleft_5.pdf
declarationleaders_sd_re_greens_theleft_5.pdfdeclarationleaders_sd_re_greens_theleft_5.pdf
declarationleaders_sd_re_greens_theleft_5.pdfssuser5750e1
 

Kürzlich hochgeladen (20)

{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...
{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...
{Qatar{^🚀^(+971558539980**}})Abortion Pills for Sale in Dubai. .abu dhabi, sh...
 
Politician uddhav thackeray biography- Full Details
Politician uddhav thackeray biography- Full DetailsPolitician uddhav thackeray biography- Full Details
Politician uddhav thackeray biography- Full Details
 
call girls inMahavir Nagar (delhi) call me [🔝9953056974🔝] escort service 24X7
call girls inMahavir Nagar  (delhi) call me [🔝9953056974🔝] escort service 24X7call girls inMahavir Nagar  (delhi) call me [🔝9953056974🔝] escort service 24X7
call girls inMahavir Nagar (delhi) call me [🔝9953056974🔝] escort service 24X7
 
Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...
Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...
Transformative Leadership: N Chandrababu Naidu and TDP's Vision for Innovatio...
 
06052024_First India Newspaper Jaipur.pdf
06052024_First India Newspaper Jaipur.pdf06052024_First India Newspaper Jaipur.pdf
06052024_First India Newspaper Jaipur.pdf
 
04052024_First India Newspaper Jaipur.pdf
04052024_First India Newspaper Jaipur.pdf04052024_First India Newspaper Jaipur.pdf
04052024_First India Newspaper Jaipur.pdf
 
China's soft power in 21st century .pptx
China's soft power in 21st century   .pptxChina's soft power in 21st century   .pptx
China's soft power in 21st century .pptx
 
9953056974 Call Girls In Pratap Nagar, Escorts (Delhi) NCR
9953056974 Call Girls In Pratap Nagar, Escorts (Delhi) NCR9953056974 Call Girls In Pratap Nagar, Escorts (Delhi) NCR
9953056974 Call Girls In Pratap Nagar, Escorts (Delhi) NCR
 
Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...
Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...
Unveiling the Characteristics of Political Institutions_ A Comprehensive Anal...
 
The political system of the united kingdom
The political system of the united kingdomThe political system of the united kingdom
The political system of the united kingdom
 
America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...
America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...
America Is the Target; Israel Is the Front Line _ Andy Blumenthal _ The Blogs...
 
KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...
KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...
KING VISHNU BHAGWANON KA BHAGWAN PARAMATMONKA PARATOMIC PARAMANU KASARVAMANVA...
 
422524114-Patriarchy-Kamla-Bhasin gg.pdf
422524114-Patriarchy-Kamla-Bhasin gg.pdf422524114-Patriarchy-Kamla-Bhasin gg.pdf
422524114-Patriarchy-Kamla-Bhasin gg.pdf
 
05052024_First India Newspaper Jaipur.pdf
05052024_First India Newspaper Jaipur.pdf05052024_First India Newspaper Jaipur.pdf
05052024_First India Newspaper Jaipur.pdf
 
Dubai Call Girls Pinky O525547819 Call Girl's In Dubai
Dubai Call Girls Pinky O525547819 Call Girl's In DubaiDubai Call Girls Pinky O525547819 Call Girl's In Dubai
Dubai Call Girls Pinky O525547819 Call Girl's In Dubai
 
*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...
*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...
*Navigating Electoral Terrain: TDP's Performance under N Chandrababu Naidu's ...
 
THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...
THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...
THE OBSTACLES THAT IMPEDE THE DEVELOPMENT OF BRAZIL IN THE CONTEMPORARY ERA A...
 
Job-Oriеntеd Courses That Will Boost Your Career in 2024
Job-Oriеntеd Courses That Will Boost Your Career in 2024Job-Oriеntеd Courses That Will Boost Your Career in 2024
Job-Oriеntеd Courses That Will Boost Your Career in 2024
 
10052024_First India Newspaper Jaipur.pdf
10052024_First India Newspaper Jaipur.pdf10052024_First India Newspaper Jaipur.pdf
10052024_First India Newspaper Jaipur.pdf
 
declarationleaders_sd_re_greens_theleft_5.pdf
declarationleaders_sd_re_greens_theleft_5.pdfdeclarationleaders_sd_re_greens_theleft_5.pdf
declarationleaders_sd_re_greens_theleft_5.pdf
 

Week 7 Sampling

  • 1.
  • 2. What do polls tell us?
  • 3.
  • 4.
  • 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
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31.
  • 32.
  • 33.
  • 34.
  • 35.
  • 36.
  • 37.
  • 38.
  • 39.
  • 40.
  • 41.
  • 42.
  • 43.
  • 44.
  • 45.
  • 46.
  • 47.
  • 48.
  • 49.
  • 50.
  • 52.
  • 53.  
  • 54.
  • 55.
  • 56.